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.
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
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 - Page 43: 18
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