Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 1 - Section 1.4 - Rounding and Estimating - Exercise Set: 63

Answer

66,700,000 67,000,000 70,000,000

Work Step by Step

To round, inspect the number to the right. Round up if greater than 4. $66,\underset\uparrow700,000$ round up to 67,000,000 $6\underset\uparrow6,700,000$ round up to 70,000,000
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