Answer
64, -64, 64, -64
Work Step by Step
a) $8^{2}=8\times8=64$
b) $-8^{2}=-(8\times8)=-(64)=-64$
c) $(-8)^{2}=-8\times-8=64$
d) $-(-8)^{2}=-(-8\times-8)=-(64)=-64$
Intermediate Algebra (12th Edition)
by Lial, Margaret L.; Hornsby, John; McGinnis, Terry
Published by
Pearson
ISBN 10:
0321969359
ISBN 13:
978-0-32196-935-4
Chapter R - Section R.3 - Exponents, Roots, and Order of Operations - R.3 Exercises - Page 29: 11
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