Word Problems

Problem 3801

Will buys 2 shirts at \$29 each, with the second shirt 40% off. How much does he pay in total?

See Solution

Problem 3802

Find the height of a rectangular aquarium with volume 1368 in³, length 19 in, and width 9 in. Round to the nearest tenth.

See Solution

Problem 3803

What sales tax rate did Sam pay if he spent \$8 on brushes, \$5 on a palette, and \$15 on oil paints for a total of \$29.82?

See Solution

Problem 3804

Find the length of a water tank (858 ft³) with width $8.3 \mathrm{ft}$ and height $6.5 \mathrm{ft}$ . Round to nearest tenth.

See Solution

Problem 3805

Find the width of a popcorn box with volume 46 in³, length $2 \frac{3}{4}$ in, and height $7 \frac{1}{2}$ in.

See Solution

Problem 3806

Find the range for the third side of a triangle with sides $6 \mathrm{ft}$ and $19 \mathrm{ft}$ .

See Solution

Problem 3807

Determine the possible range for the third side of a triangle with sides $7 \mathrm{~km}$ and $29 \mathrm{~km}$ .

See Solution

Problem 3808

Harriet buys items for \$248.50 with a 25% coupon and 5% tax. Find the total cost.

See Solution

Problem 3809

What is 20% of a \$150 bill for Susan's stylist tip?

See Solution

Problem 3810

Find the range for the third side of a triangle with sides 13 in. and 27 in.: $14 < n < 40$ .

See Solution

Problem 3811

What is the minimum distance between Boston and Hartford if NYC, Boston, and Hartford form a triangle? $d > 187 - 97$

See Solution

Problem 3812

Rewrite 300 using 2 significant figures.

See Solution

Problem 3813

Find the unit rate of popcorn produced per minute by a machine that makes 14 cups in 2.5 minutes.

See Solution

Problem 3814

Find the range of possible values for $x$ if $x$ , 4, and 6 are the sides of a triangle.

See Solution

Problem 3815

The second building's height is found by subtracting 563 feet from 965 feet. What is the result?

See Solution

Problem 3816

Nicole wants to buy jeans costing \$42.50 with a 10% markup. What is the total price she will pay?

See Solution

Problem 3817

You have 70 pounds of welding rods, using 3 pounds/hour. How many hours until you need more rods? Round to nearest hour.

See Solution

Problem 3818

Raúl y sus amigos tienen S/ 160. Si compran entradas de S/ 17 les sobra, y con S/ 20 les falta. ¿Cuántos son?

See Solution

Problem 3819

What is the weight of each custom bracket if 5,400 lbs. of $1 / 2^{n}$ steel plate makes 36 brackets?

See Solution

Problem 3820

Pentagon $\mathrm{ABCDE}$ is similar to Pentagon RYMNT. Find $\frac{N T}{D E}=\frac{R T}{\square}$ using TN, AE, YM, ER.

See Solution

Problem 3821

Which cost factor increased due to Harry raising employee wages? A. fixed cost B. marginal cost C. sunk cost

See Solution

Problem 3822

Express 7, 10, 17, and 24 rods as fractions of 32: $\frac{7}{32}$ , $\frac{10}{32}$ , $\frac{17}{32}$ , $\frac{24}{32}$ .

See Solution

Problem 3823

How much does $b$ cubic feet of water weigh in pounds if 1 cubic foot holds 7.48 gallons and 1 gallon weighs 8.33 pounds?

See Solution

Problem 3824

Select the correct answer. What does the term price mean? A. Money spent by a seller to advertise B. Money spent by a manufacturer C. Money spent by a buyer to purchase.

See Solution

Problem 3825

What element has an average atomic mass of $12.01 \mathrm{amu}$ ? 1. Nitrogen 2. Carbon 3. Lithium 4. Thulium

See Solution

Problem 3826

A farmer uses $1455 \mathrm{~kg}$ of fertilizer with $10.0\%$ nitrogen. If $15.0\%$ washes into a river flowing at $0.410$ ft³/s, find the nitrogen concentration in mg/L added to the river yearly.

See Solution

Problem 3827

Why are congruent triangles common in architecture? Use math terms and give two complete sentences for full credit.

See Solution

Problem 3828

Find the wavelength of a gamma ray with a frequency of $1.0 \times 10^{19} \mathrm{~Hz}$ . Enter as $[?] \times 10^{[?]} \mathrm{m}$ .

See Solution

Problem 3829

Is it true or false that every real number is a noninteger rational number? Choose: True or False.

See Solution

Problem 3830

Indicate if "Some integers are not real numbers" is true or false. Choose True or False.

See Solution

Problem 3831

Find the frequency of a radio wave with energy $8.3 \times 10^{-24} \mathrm{~J}$ : $\text { [?] } \times 10^{[?]} \mathrm{Hz}$

See Solution

Problem 3832

Eliud Kipchoge ran 26.2 miles in 1 hour 5 minutes 40 seconds. Find his average time per mile in minutes.

See Solution

Problem 3833

Eliud Kipchoge ran 26.2 miles in 1:59:40. What is his average time per mile? Show your calculations.

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Problem 3834

How many valence electrons does cesium (Cs) have based on its electron configuration: $1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 4 s^{2} 3 d^{10} 4 p^{6} 5 s^{2} 4 d^{10} 5 p^{6} 6 s^{1}$ ?

See Solution

Problem 3835

Explain why SSA does not prove triangle congruence in your own words. Use math vocabulary and three complete sentences.

See Solution

Problem 3836

Two stores sold pumpkins: one started with 190 and sold 10/hr, the other with 164 and sold 6/hr. When do they equal?

See Solution

Problem 3837

Joseph bikes 0.5 miles at 14 mph, Sandra 2.6 miles at 10.5 mph. Find $h$ for when Joseph catches Sandra:
$0.5 + 14h = 2.6 + 10.5h$
How long is $h$ ? Simplify any fractions.

See Solution

Problem 3838

Dan's dinner costs: Heirloom: \ $21p + \$8p; Hot Stone: \$26p + \$33. Find$ p $for equal costs:$ 21p + 8p = 26p + 33$. How many people?

See Solution

Problem 3839

Wyatt swims at 3.8 km/h, Kirk at 3 km/h. Kirk is 0.2 km ahead. How long until Wyatt catches up?

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Problem 3840

Two bands have followers: Strong Friday at 88,300 gaining 200/month, and Men and Hippos at 79,900 gaining 900/month. When will they equal followers?

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Problem 3841

Crystal Tunes has 7.2M subscribers gaining 1.7M/month. Mad Musik has 26.8M losing 1.1M/month. When will they equal?

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Problem 3842

Find the distance $d$ where costs of two delivery apps are equal: $0.50d + 3 = 0.75d$ . Simplify.

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Problem 3843

Write the equation for: $k \cdot 186 = 383$ . Use / for division if needed.

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Problem 3844

Write the equation: 396 = 131 - a.

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Problem 3845

How many people must attend Jill's bowling party for the total costs of individual vs group rates to be equal?

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Problem 3846

Write the equation for: 306 is the same as $d$ less than 156.

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Problem 3847

Write the equation: 345 = $f$ \cdot 2. Use / for division.

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Problem 3848

Balance the reaction and find the coefficient for potassium in: $[\ ?] \mathrm{K}+[\quad] \mathrm{Br}_{2} \rightarrow[] \mathrm{KBr}$ .

See Solution

Problem 3849

Leo balances 6 blocks and a 200-ounce weight with 2 blocks and a 500-ounce weight. Find the weight of each block in ounces.

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Problem 3850

282 = 193 / $h$

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Problem 3851

Find the slope-intercept equation of the line through the points $(5,4)$ and $(2,6)$ .

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Problem 3852

Balance the reaction: $2 \mathrm{~K} + [?] \mathrm{Br}_{2} \rightarrow \mathrm{KBr}$ . What is the coefficient for bromine?

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Problem 3853

w \cdot 293 - 45 = 169

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Problem 3854

Identify the reactants that produce H₂O and NaF in a double replacement reaction. Remember to balance charges.

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Problem 3855

260 = 261 - $r$

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Problem 3856

Find $y$ given $R S=6x+5$ , $S T=8x-1$ , and $T U=\pi y+13$ with midpoints $S$ and $T$ .

See Solution

Problem 3857

Find the first year when beer shipment change reaches $-32\%$ using $y=-3.4x+23.8$ . What does $-32\%$ represent? A. slope B. y-intercept C. $x$ D. $y$

See Solution

Problem 3858

You recorded age, marital status, and income of 1463 women. How many quantitative and categorical variables are there? a. 3 quantitative, 0 categorical. b. 3 quantitative, 1 categorical. c. 2 quantitative, 1 categorical. d. 2 quantitative, 2 categorical.

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Problem 3859

Calculate the annual straight-line depreciation $D$ for an item costing \ $15,957 with a life of 12 years using$ D=(1/n)x$.

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Problem 3860

What does a standard deviation of 13 in exam scores mean? a. Scores are within 13 points of the mean. b. Highest and lowest scores differ by 13 points. c. Scores vary by 13 points. d. Scores vary from the mean by 13 points.

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Problem 3861

Write the equation for: $b$ is $b$ multiplied by 143. Use / for division.

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Problem 3862

Count the significant figures in the number $0.00020$ .

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Problem 3863

Calculate the moles of platinum in $8.4 \times 10^{22}$ atoms of $\mathrm{Pt}$ . [?] moles Pt

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Problem 3864

Write the equation: 272 $b$ - 124 = 122.

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Problem 3865

Count the significant figures in the number 0.00000001.

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Problem 3866

Identify the correct expressions for "the product of a number and $T$ ". Options: $n \cdot 7$ , $\frac{n}{7}$ , $\frac{7}{n}$ , $7 n$ .

See Solution

Problem 3867

Count the significant figures in 0.070020.

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Problem 3868

Count the significant figures in the number $6.17000 \times 10^{5}$ .

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Problem 3869

How many grams of $\mathrm{P}_{2} \mathrm{O}_{3}$ are needed for 4.0 moles of $\mathrm{H}_{2} \mathrm{O}$ ? Molar mass: 109.94 g/mol.

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Problem 3870

What is the expression for the area of a rectangular window with length $12 \mathrm{ft}$ and width $x \mathrm{ft}$ ?

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Problem 3871

Count the significant figures in the number $2.005 \times 10^{-9}$ .

See Solution

Problem 3872

The number of significant figures in $50.0009$ is how many?

See Solution

Problem 3873

Dale has three more than twice Leo's money. Which expression represents this? Options: $2d + 3$ , $d + 2 + 3$ , $2(3) + d$ , $\frac{d}{2} + 3$ .

See Solution

Problem 3874

A handbag company had $3\%$ market share in 2012 and $21\%$ in 2016. Find a linear equation for market share, the 2013 share, and when it reaches $40\%$ .

See Solution

Problem 3875

Which expression equals "twice the sum of a number and three"? $2(n+3)$ $2 n+3$ $2(2 n-3)$ $2+(2 n+3)$

See Solution

Problem 3876

The number of significant figures in $9020.0$ is ?

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Problem 3877

Count the significant figures in the number $1,234,450$ .

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Problem 3878

Count the significant figures in the number $0.000202$ .

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Problem 3879

Count the significant figures in the number $0.00000000000022$ .

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Problem 3880

Amy earned \$25 for 3 hours of babysitting. How much will she earn for 7 hours at the same rate?

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Problem 3881

Sam raked 3 bags in 16 minutes. How long for 5 bags at the same rate? Calculate: $\frac{16}{3} \times 5$ .

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Problem 3882

If Morgan reads 7 books in 8 days, how many days for 20 books?

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Problem 3883

How many pounds of peanuts are needed for 24 jars of peanut butter if 5 pounds make 9 jars?

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Problem 3884

Jim wants an 8-month gym membership. If 2 months costs \$125, how much will he pay for 8 months?

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Problem 3885

Bobby drove 110 miles using 5 gallons. How far can he go with 16 gallons? Find the distance $d$ using $d = \frac{110}{5} \times 16$ .

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Problem 3886

Mary ran 2 miles in 23 minutes. How long for 10 miles at the same pace? Use the formula: time = distance / speed.

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Problem 3887

Find the remaining area of a $33 \mathrm{ft}$ by $15 \mathrm{ft}$ flag after cutting out a triangle with base $13 \mathrm{ft}$ and height $6 \mathrm{ft}$ .

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Problem 3888

Find the average of the numbers: 7, 9, 7, 7, 6, 7, 6.

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Problem 3889

What intermolecular forces can $\mathrm{CH}_{3} \mathrm{OH}$ interact with among similar molecules?

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Problem 3890

9.0 L of $\mathrm{O}_{2}$ react with excess $\mathrm{CO}$ . How many moles of $\mathrm{CO}_{2}$ are produced? $\text{[?] } \mathrm{mol} \mathrm{CO}_{2}$

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Problem 3891

In a scale drawing, 3 mm = 17 m. How many mm represent 55 m?

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Problem 3892

Joy makes 9 sandwiches in 15 minutes. How long to make 30 sandwiches? Calculate time in minutes.

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Problem 3893

If 7 gallons paints 3 rooms, how many gallons are needed for 5 rooms? Use the formula: $x = \frac{7}{3} \times 5$ .

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Problem 3894

Find the average daily pay for Ben, given his earnings: \$78, \$94, \$115, \$108, \$67, \$78.

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Problem 3895

Emma's job pays \$38,950 for 52 weeks. What is the average pay per month and per week?

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Problem 3896

Beatrix wants to sell 260 vases at \$25 each. After 8 months (16 vases/month), how many must she sell in 4 months to meet her goal?

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Problem 3897

What is the new molarity of a $0.455 \mathrm{M}$ sodium chloride solution after adding $1.88 \mathrm{L}$ of water to $375 \mathrm{~mL}$ ?

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Problem 3898

Polly worked 8 hours/day Mon-Tue earning \$69. Wed: \$82, Thu: \$78. What must she earn on Fri for \$75 avg?

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Problem 3899

Find the area of a flag (30 cm x 11 cm) after cutting out a triangle (base 10 cm, height 10 cm).

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Problem 3900

Find the first step to solve the equation: $2a - 4(a - 5) = 10$ .

See Solution

1 ...36 37 38 39 40 41 42 ...102

Word Problems

Problem 3801

Will buys 2 shirts at \$29 each, with the second shirt 40% off. How much does he pay in total?

Problem 3802

Find the height of a rectangular aquarium with volume 1368 in³, length 19 in, and width 9 in. Round to the nearest tenth.

Problem 3803

What sales tax rate did Sam pay if he spent \$8 on brushes, \$5 on a palette, and \$15 on oil paints for a total of \$29.82?

Problem 3804

Find the length of a water tank (858 ft³) with width 8.3ft8.3 \mathrm{ft}8.3ft and height 6.5ft6.5 \mathrm{ft}6.5ft. Round to nearest tenth.

Problem 3805

Find the width of a popcorn box with volume 46 in³, length 2342 \frac{3}{4}243​ in, and height 7127 \frac{1}{2}721​ in.

Problem 3806

Find the range for the third side of a triangle with sides 6ft6 \mathrm{ft}6ft and 19ft19 \mathrm{ft}19ft.

Problem 3807

Determine the possible range for the third side of a triangle with sides 7 km7 \mathrm{~km}7 km and 29 km29 \mathrm{~km}29 km.

Problem 3808

Harriet buys items for \$248.50 with a 25% coupon and 5% tax. Find the total cost.

Problem 3809

What is 20% of a \$150 bill for Susan's stylist tip?

Problem 3810

Find the range for the third side of a triangle with sides 13 in. and 27 in.: 14<n<4014 < n < 4014<n<40.

Problem 3811

What is the minimum distance between Boston and Hartford if NYC, Boston, and Hartford form a triangle? d>187−97d > 187 - 97d>187−97

Problem 3812

Rewrite 300 using 2 significant figures.

Problem 3813

Find the unit rate of popcorn produced per minute by a machine that makes 14 cups in 2.5 minutes.

Problem 3814

Find the range of possible values for xxx if xxx, 4, and 6 are the sides of a triangle.

Problem 3815

The second building's height is found by subtracting 563 feet from 965 feet. What is the result?

Problem 3816

Nicole wants to buy jeans costing \$42.50 with a 10% markup. What is the total price she will pay?

Problem 3817

You have 70 pounds of welding rods, using 3 pounds/hour. How many hours until you need more rods? Round to nearest hour.

Problem 3818

Raúl y sus amigos tienen S/ 160. Si compran entradas de S/ 17 les sobra, y con S/ 20 les falta. ¿Cuántos son?

Problem 3819

What is the weight of each custom bracket if 5,400 lbs. of 1/2n1 / 2^{n}1/2n steel plate makes 36 brackets?

Problem 3820

Pentagon ABCDE\mathrm{ABCDE}ABCDE is similar to Pentagon RYMNT. Find NTDE=RT□\frac{N T}{D E}=\frac{R T}{\square}DENT​=□RT​ using TN, AE, YM, ER.

Problem 3821

Which cost factor increased due to Harry raising employee wages? A. fixed cost B. marginal cost C. sunk cost

Problem 3822

Express 7, 10, 17, and 24 rods as fractions of 32: 732\frac{7}{32}327​, 1032\frac{10}{32}3210​, 1732\frac{17}{32}3217​, 2432\frac{24}{32}3224​.

Problem 3823

How much does bbb cubic feet of water weigh in pounds if 1 cubic foot holds 7.48 gallons and 1 gallon weighs 8.33 pounds?

Problem 3824

Select the correct answer. What does the term price mean? A. Money spent by a seller to advertise B. Money spent by a manufacturer C. Money spent by a buyer to purchase.

Problem 3825

What element has an average atomic mass of 12.01amu12.01 \mathrm{amu}12.01amu? 1. Nitrogen 2. Carbon 3. Lithium 4. Thulium

Problem 3826

A farmer uses 1455 kg1455 \mathrm{~kg}1455 kg of fertilizer with 10.0%10.0\%10.0% nitrogen. If 15.0%15.0\%15.0% washes into a river flowing at 0.4100.4100.410 ft³/s, find the nitrogen concentration in mg/L added to the river yearly.

Problem 3827

Why are congruent triangles common in architecture? Use math terms and give two complete sentences for full credit.

Problem 3828

Find the wavelength of a gamma ray with a frequency of 1.0×1019 Hz1.0 \times 10^{19} \mathrm{~Hz}1.0×1019 Hz. Enter as [?]×10[?]m[?] \times 10^{[?]} \mathrm{m}[?]×10[?]m.

Problem 3829

Is it true or false that every real number is a noninteger rational number? Choose: True or False.

Problem 3830

Indicate if "Some integers are not real numbers" is true or false. Choose True or False.

Problem 3831

Find the frequency of a radio wave with energy 8.3×10−24 J8.3 \times 10^{-24} \mathrm{~J}8.3×10−24 J: [?] ×10[?]Hz\text { [?] } \times 10^{[?]} \mathrm{Hz} [?] ×10[?]Hz

Problem 3832

Eliud Kipchoge ran 26.2 miles in 1 hour 5 minutes 40 seconds. Find his average time per mile in minutes.

Problem 3833

Eliud Kipchoge ran 26.2 miles in 1:59:40. What is his average time per mile? Show your calculations.

Problem 3834

How many valence electrons does cesium (Cs) have based on its electron configuration: 1s22s22p63s23p64s23d104p65s24d105p66s11 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 4 s^{2} 3 d^{10} 4 p^{6} 5 s^{2} 4 d^{10} 5 p^{6} 6 s^{1}1s22s22p63s23p64s23d104p65s24d105p66s1?

Problem 3835

Explain why SSA does not prove triangle congruence in your own words. Use math vocabulary and three complete sentences.

Problem 3836

Two stores sold pumpkins: one started with 190 and sold 10/hr, the other with 164 and sold 6/hr. When do they equal?

Problem 3837

Joseph bikes 0.5 miles at 14 mph, Sandra 2.6 miles at 10.5 mph. Find hhh for when Joseph catches Sandra: 0.5+14h=2.6+10.5h 0.5 + 14h = 2.6 + 10.5h 0.5+14h=2.6+10.5h How long is hhh? Simplify any fractions.

Problem 3838

Dan's dinner costs: Heirloom: \21p+$8p;HotStone:$26p+$33.Find21p + \$8p; Hot Stone: \$26p + \$33. Find 21p+$8p;HotStone:$26p+$33.Findpforequalcosts: for equal costs: forequalcosts:21p + 8p = 26p + 33$. How many people?

Problem 3839

Wyatt swims at 3.8 km/h, Kirk at 3 km/h. Kirk is 0.2 km ahead. How long until Wyatt catches up?

Problem 3840

Find the length of a water tank (858 ft³) with width $8.3 \mathrm{ft}$ and height $6.5 \mathrm{ft}$ . Round to nearest tenth.

Find the width of a popcorn box with volume 46 in³, length $2 \frac{3}{4}$ in, and height $7 \frac{1}{2}$ in.

Find the range for the third side of a triangle with sides $6 \mathrm{ft}$ and $19 \mathrm{ft}$ .

Determine the possible range for the third side of a triangle with sides $7 \mathrm{~km}$ and $29 \mathrm{~km}$ .

Find the range for the third side of a triangle with sides 13 in. and 27 in.: $14 < n < 40$ .

What is the minimum distance between Boston and Hartford if NYC, Boston, and Hartford form a triangle? $d > 187 - 97$

Find the range of possible values for $x$ if $x$ , 4, and 6 are the sides of a triangle.

What is the weight of each custom bracket if 5,400 lbs. of $1 / 2^{n}$ steel plate makes 36 brackets?

Pentagon $\mathrm{ABCDE}$ is similar to Pentagon RYMNT. Find $\frac{N T}{D E}=\frac{R T}{\square}$ using TN, AE, YM, ER.

Express 7, 10, 17, and 24 rods as fractions of 32: $\frac{7}{32}$ , $\frac{10}{32}$ , $\frac{17}{32}$ , $\frac{24}{32}$ .

How much does $b$ cubic feet of water weigh in pounds if 1 cubic foot holds 7.48 gallons and 1 gallon weighs 8.33 pounds?

What element has an average atomic mass of $12.01 \mathrm{amu}$ ? 1. Nitrogen 2. Carbon 3. Lithium 4. Thulium

A farmer uses $1455 \mathrm{~kg}$ of fertilizer with $10.0\%$ nitrogen. If $15.0\%$ washes into a river flowing at $0.410$ ft³/s, find the nitrogen concentration in mg/L added to the river yearly.

Find the wavelength of a gamma ray with a frequency of $1.0 \times 10^{19} \mathrm{~Hz}$ . Enter as $[?] \times 10^{[?]} \mathrm{m}$ .

Find the frequency of a radio wave with energy $8.3 \times 10^{-24} \mathrm{~J}$ : $\text { [?] } \times 10^{[?]} \mathrm{Hz}$

How many valence electrons does cesium (Cs) have based on its electron configuration: $1 s^{2} 2 s^{2} 2 p^{6} 3 s^{2} 3 p^{6} 4 s^{2} 3 d^{10} 4 p^{6} 5 s^{2} 4 d^{10} 5 p^{6} 6 s^{1}$ ?

Joseph bikes 0.5 miles at 14 mph, Sandra 2.6 miles at 10.5 mph. Find $h$ for when Joseph catches Sandra:
$0.5 + 14h = 2.6 + 10.5h$
How long is $h$ ? Simplify any fractions.

Dan's dinner costs: Heirloom: \ $21p + \$8p; Hot Stone: \$26p + \$33. Find$ p $for equal costs:$ 21p + 8p = 26p + 33$. How many people?

Find the distance $d$ where costs of two delivery apps are equal: $0.50d + 3 = 0.75d$ . Simplify.

Write the equation for: $k \cdot 186 = 383$ . Use / for division if needed.

Write the equation for: 306 is the same as $d$ less than 156.

Write the equation: 345 = $f$ \cdot 2. Use / for division.

Balance the reaction and find the coefficient for potassium in: $[\ ?] \mathrm{K}+[\quad] \mathrm{Br}_{2} \rightarrow[] \mathrm{KBr}$ .

282 = 193 / $h$

Find the slope-intercept equation of the line through the points $(5,4)$ and $(2,6)$ .

Balance the reaction: $2 \mathrm{~K} + [?] \mathrm{Br}_{2} \rightarrow \mathrm{KBr}$ . What is the coefficient for bromine?

260 = 261 - $r$

Find $y$ given $R S=6x+5$ , $S T=8x-1$ , and $T U=\pi y+13$ with midpoints $S$ and $T$ .

Find the first year when beer shipment change reaches $-32\%$ using $y=-3.4x+23.8$ . What does $-32\%$ represent? A. slope B. y-intercept C. $x$ D. $y$

Calculate the annual straight-line depreciation $D$ for an item costing \ $15,957 with a life of 12 years using$ D=(1/n)x$.

Write the equation for: $b$ is $b$ multiplied by 143. Use / for division.

Count the significant figures in the number $0.00020$ .

Calculate the moles of platinum in $8.4 \times 10^{22}$ atoms of $\mathrm{Pt}$ . [?] moles Pt

Write the equation: 272 $b$ - 124 = 122.

Identify the correct expressions for "the product of a number and $T$ ". Options: $n \cdot 7$ , $\frac{n}{7}$ , $\frac{7}{n}$ , $7 n$ .

Count the significant figures in the number $6.17000 \times 10^{5}$ .

How many grams of $\mathrm{P}_{2} \mathrm{O}_{3}$ are needed for 4.0 moles of $\mathrm{H}_{2} \mathrm{O}$ ? Molar mass: 109.94 g/mol.

What is the expression for the area of a rectangular window with length $12 \mathrm{ft}$ and width $x \mathrm{ft}$ ?

Count the significant figures in the number $2.005 \times 10^{-9}$ .

The number of significant figures in $50.0009$ is how many?

Dale has three more than twice Leo's money. Which expression represents this? Options: $2d + 3$ , $d + 2 + 3$ , $2(3) + d$ , $\frac{d}{2} + 3$ .

A handbag company had $3\%$ market share in 2012 and $21\%$ in 2016. Find a linear equation for market share, the 2013 share, and when it reaches $40\%$ .