Answer
$-70x^{11}y^{16}$
Work Step by Step
The product of the given expression, $
(7x^4y^5)(-10x^7y^{11})
,$ is
\begin{array}{l}\require{cancel}
7(-10)x^{4+7}y^{5+11}
\\\\=
-70x^{11}y^{16}
.\end{array}
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 5 - Section 5.4 - Polynomials in Several Variables - Exercise Set - Page 375: 30
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