Prealgebra (7th Edition)

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

Chapter 2 - Cumulative Review - Page 160: 23


a. 6 b. 8 c. 7

Work Step by Step

a. $42\div7=6$ because $6\times7=42$ b. 64/8 is 8 or $\frac{8}{1}$ because $8^{2}$ is 64. c. 3 into 21 is 7 because $7\times3=21$
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