Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapters 1-3 - Cumulative Review Exercises: 3

Answer

Estimate: 20,000-10,000= 10,000 Exact: 24,276-9887= 14,389

Work Step by Step

In order to estimate 24,276 you round it to the highest place value which is ten-thousands which means it rounds to 20,000 because the 4 in 24,276 is lower than 5. Then round 9887 to 10,000 because the 887 make it closer to 10,000. Then subtract 10,000 from 20,000 which equals 10,000.
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