Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 5 - Section 5.1 - Exponents - Exercise Set: 126

Answer

Because $5 \times 4^2 = 5 \times 4 \times 4 = 80 $ But $(5\times4)^2 = (5 \times 4) \times (5\times 4) = 5 \times 5 \times 4 \times4 = 400$

Work Step by Step

Because $5 \times 4^2 = 5 \times 4 \times 4 = 80 $ But $(5\times4)^2 = (5 \times 4) \times (5\times 4) = 5 \times 5 \times 4 \times4 = 400$
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