Answer
a. $x^{11}$
b. $\frac{t^4}{16}$
c. $81y^{10}$
Work Step by Step
a. $x^{7+4}=x^{11}$
b. $(\frac{t^4}{2^4})=\frac{t^4}{16}$
c. $9^2y^{5\times2}=81y^{10}$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 13 - Cumulative Review - Page 968: 3
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