Basic College Mathematics (9th Edition)

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

Chapter 4 - Decimals - 4.3 Adding and Subtracting Decimal Numbers - 4.1 Exercises - Page 287: 39

Answer

Estimate 50 million Exact 50.4 million

Work Step by Step

81 - 30.6 Estimate $80 - 30 = 50$ Exact $81 - 30.6 = 50.4$
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