Basic College Mathematics (9th Edition)

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

Chapters 1-6 - Cumulative Review Exercises - Page 474: 1

Answer

Estimate: $30,000$ Exact: $28,988$

Work Step by Step

We need to subtract: $~~~75,078$ $-\underline{46,090}$ First, we estimate by rounding: $~~~80,000$ $-\underline{50,000}$ $~~~30,000$ Next, we find the exact answer: $~~~75,078$ $-\underline{46,090}$ $~~~28,988$ We see that our estimate and exact answers are fairly similar.
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