Basic College Mathematics (10th Edition)

by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.

Published by Pearson

ISBN 10: 0134467795

ISBN 13: 978-0-13446-779-5

Chapter 1 - Whole Numbers - 1.7 Rounding Whole Numbers - 1.7 Exercises - Page 73: 44

Answer

Estimate: 40 Exact: 33

Work Step by Step

57 rounds to 60, and 24 rounds to 20. 60 - 20 = 40 57 - 24 = 33

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