Prealgebra (7th Edition)

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

Chapter 2 - Section 2.5 - Order of Operations - Exercise Set: 33

Answer

53

Work Step by Step

$7^{2}$ - ( 4- $2^{3}$) Write $7^{2}$ as 49 and $2^{3}$ as 8 =49-(4-8) Simplify inside parentheses =49 -(-4) =49+4 =53
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