Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 1 - Problem Solving and Critical Thinking - Chapter Summary, Review, and Test - Review Exercises: 18

Answer

Rounding: 450 Actual: 432.67

Work Step by Step

Rounding off the numbers, 9 x 50 = 450 Actual answer = 8.83 x 49 = 432.67 It is less reasonable estimate than the previous problem as there is a difference of 17.33.
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