Math

QuestionEstimate if these answers are reasonable: 7.8×1.1×4.2=507.8 \times 1.1 \times 4.2=50 and 43.8×2.8×3.1=371.843.8 \times 2.8 \times 3.1=371.8.

Studdy Solution

STEP 1

Question: What is the process called when you simplify a problem by using numbers that are close to the actual values but easier to compute?
A) Division B) Estimation C) Subtraction D) Addition
Answer: B) Estimation

STEP 2

Question: What is the nearest whole number to 7.8?
A) 7 B) 8 C) 9 D) 6
Answer: B) 8

STEP 3

Question: What is the result of multiplying the rounded numbers 8, 1, and 4 together?
A) 32 B) 50 C) 24 D) 40
Answer: A) 32

STEP 4

Question: Is the given result of 50 reasonable when compared to our estimated result of 32?
A) Yes B) No C) Maybe D) Not sure
Answer: B) No

STEP 5

Question: What is the estimated result of multiplying the rounded numbers 44, 3, and 3 together?
A) 371.8 B) 396 C) 350 D) 400
Answer: B) 396

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