Answer
a) $625$
b) $25$
c) $64$
Work Step by Step
a) $5^{3}$ $\times$ $5$ = $5^{3+1}$ = $5^{4}$ = $625$
b) $5^{4}$ $\times$ $5^{-2}$ = $5^{4-2}$ = $5^{2}$ = $25$
c) $($$2$$^{2}$)$^{3}$ = $2^{2\times3}$ = $2^{6}$ = $64$
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 1 - Section 1.2 - Exponents and Radicals - 1.2 Exercises - Page 22: 21
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