Answer
a) $16b^{12}$
b) $648y^7$
Work Step by Step
a) $b^8(2b)^4=2^4b^{4+8}=16b^{12}$
b) $\frac{(6y^3)^4}{2y^5}=\frac{6^4y^{12}}{2y^5}=\frac{6^4}{2}\cdot y^{12-5}=648y^7$
Calculus: Early Transcendentals 8th Edition
by Stewart, James
Published by
Cengage Learning
ISBN 10:
1285741552
ISBN 13:
978-1-28574-155-0
Chapter 1 - Section 1.4 - Exponential Functions - 1.4 Exercises - Page 53: 3
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