Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 4 - Decimals - Review Exercises - Page 323: 45

Answer

Unreasonable. Estimate: 30 $\div$ 3 = 10 Exact: 9.5

Work Step by Step

$26.6\div2.8$ = 0.95 Now, Lets find the Estimate: 26.6 (rounded to) 30. 2.8 (rounded to) 3 $26.6\div2.8$ = 30 $\div$ 3 = 10 So the given figure is unreasonable. Let's find the Exact: 26.6 $\div$ 2.8 = 9.5
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