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$^9$
Intermediate Algebra: Connecting Concepts through Application
by Clark, Mark; Anfinson, Cynthia
Published by
Brooks Cole
ISBN 10:
0-53449-636-9
ISBN 13:
978-0-53449-636-4
Chapter 1-4 - Cumulative Review - Page 410: 66
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