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
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 1 - Section 1.4 - Rounding and Estimating - Exercise Set - Page 39: 63
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