## Algebra: A Combined Approach (4th Edition)

Published by Pearson

# Chapter 13 - Cumulative Review - Page 968: 3

#### 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. $9^2y^{5\times2}=81y^{10}$

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