Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 9 - Basic Algebra - 9.4 Order of Operations - 9.4 Exercises: 12

Answer

$(-2)^{4} -7 = 9$

Work Step by Step

1. Complete the exponents first 2. Then subtract the values $= (-2)^{4} -7$ $ = [(-2) \times (-2) \times (-2) \times (-2)] - 7$ $= [4 \times 4] - 7$ $= 16 - 7$ $= 9$
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