## Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole

# Chapter 1-4 - Cumulative Review - Page 410: 66

#### Answer

-40x$^4$y$^9$

#### Work Step by Step

(10x$^3$y$^7$)(-4xy$^2$) (10)(-4)(x$^{(3+1)}$y$^{(7+2)}$) -40x$^4$y$^9$

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