Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 1 - Whole Numbers - 1.7 Rounding Whole Numbers - 1.7 Exercises: 43

Answer

Estimate: 40 Exact: 35

Work Step by Step

78 rounds to 80, 43 rounds to 40. 80 - 40 = 40 78 - 43 = 35
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