Answer
Estimate: 220
Exact: 219
Work Step by Step
25 rounds to 30, 63 rounds to 60, 47 rounds to 50, and 84 rounds to 80. Adding the rounded numbers gives us 220, and adding the original numbers gives us 19.
Basic College Mathematics (9th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
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 - Page 73: 41
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