The product is estimated by first rounding each decimal to the nearest whole number.Is 45 a reasonable estimate for 15.02 x 3.15?
Question
The product is estimated by first rounding each decimal to the nearest whole number.Is 45 a reasonable estimate for 15.02 x 3.15?
Solution
Step 1: Round each decimal to the nearest whole number.
15.02 is approximately 15 when rounded to the nearest whole number. 3.15 is approximately 3 when rounded to the nearest whole number.
Step 2: Multiply the rounded numbers together to estimate the product.
15 x 3 = 45
So yes, 45 is a reasonable estimate for 15.02 x 3.15 when each decimal is rounded to the nearest whole number.
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