Answer
$-60x^{7}y^{10}z^5$
Work Step by Step
Using the laws of exponents, the given expression, $
(-3x^2y^3z^5)(20x^5y^7)
$, simplifies to
\begin{array}{l}\require{cancel}
(-3)(20)x^{2+5}y^{3+7}z^5
\\\\=
-60x^{7}y^{10}z^5
.\end{array}
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 7 - Section 7.1 - Radicals and Radical Functions - Exercise Set - Page 418: 95
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