Precalculus: Mathematics for Calculus, 7th Edition

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: 21

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}$ = $2^{2\times3}$ = $2^{6}$ = $64$
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