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 74: 57

Answer

estimated: 27,000 exact: 27,231

Work Step by Step

Estimate: 900  939 (All digits changed to 0, except first digit which is rounded) x 30  x 29 (All digits changed to 0, except first digit which is rounded) 27,000 (Estimated Answer) Exact: 939 x 29 = 27,231

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