Basic College Mathematics (9th Edition)

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

Chapter 1 - Whole Numbers - 1.10 Solving Application Problems - 1.10 Exercises: 16

Answer

Estimate: 300,000; Exact: 258,420

Work Step by Step

We round to the nearest hundred-thousand to estimate, so 94,120 rounds up to 100,000 and 164,300 rounds up to 200,000. We add 100,000 + 200,000 = 300,000 to get the estimated number of Confederate deaths. To get the exact number, we add 94,120 + 164,300 = 258,420.
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