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: 51

Answer

Estimated 320,000 Exact 282,000

Work Step by Step

Estimate by rounding to the nearest 100 $800\times400=320,000$ $\ \ \ \ \ \ \ 752$ $\underline{\times\ \ \ \ 375}$ $\ \ \ \ \ 3760$ $\ \ \ 52640$ $\underline{\ 225600}$ $\ 282000$
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