Basic College Mathematics (10th Edition)

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 74: 55

Answer

estimated: 200 exact:158

Work Step by Step

Estimate: 700  687 (All digits changed to 0, except first digit which is rounded) - 500 - 529 (All digits changed to 0, except first digit which is rounded) 200 (Estimated Answer) Exact: 687 - 529 =158
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