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Math

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PROBLEM

CHM_159
Worksheet\_Chapter\_E\_Answers
(Measurements, Significant figures, Density, Dimensional Analysis)
1. Give the answer to the following calculation in scientific notation:
(9.66×101)+(5.1×102)8.77+2.8(8.333×102)(3.001)\frac{(9.66 \times 10^{-1}) + (5.1 \times 10^{2}) - 8.77 + 2.8}{(8.333 \times 10^{-2})(3.001)} Ans: 2.0×1032.0 \times 10^3

STEP 1

1. We need to perform arithmetic operations on numbers in scientific notation.
2. The operations include addition, subtraction, and division.
3. The final answer should be given in scientific notation.

STEP 2

1. Simplify the numerator.
2. Simplify the denominator.
3. Divide the simplified numerator by the simplified denominator.
4. Express the final result in scientific notation.

STEP 3

Convert all terms in the numerator to the same power of ten, if possible, and perform the arithmetic operations.
\[
(9.66 \times 10^{-1}) + (5.1 \times 10^{2}) - 8.77 + 2.8 $$ Convert 9.66×1019.66 \times 10^{-1} to 0.9660.966, and 5.1×1025.1 \times 10^{2} to 510510.
Calculate:
0.966+5108.77+2.8=505.9960.966 + 510 - 8.77 + 2.8 = 505.996

STEP 4

Calculate the denominator:
(8.333×102)(3.001)(8.333 \times 10^{-2})(3.001) Convert 8.333×1028.333 \times 10^{-2} to 0.083330.08333.
Calculate:
0.08333×3.001=0.250082330.08333 \times 3.001 = 0.25008233

STEP 5

Divide the simplified numerator by the simplified denominator:
505.9960.25008233\frac{505.996}{0.25008233} Calculate:
2023.98\approx 2023.98

SOLUTION

Express the result in scientific notation:
2023.982.0×1032023.98 \approx 2.0 \times 10^3 The final answer in scientific notation is:
2.0×103\boxed{2.0 \times 10^3}

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