Answer
a) $125z^3$
b) $5x^6$
Work Step by Step
a) $(5z)^3=5z\cdot5z\cdot5z=125z^3$
b) $5x^4(x^2)=5x^{4+2}=5x^6$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Prerequisites - P.2 - Exponents and Radicals - Exercises - Page 24: 21
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