Answer
$10x^7y^9$
Work Step by Step
$(2x^3y^2)(5x^4y^7)=\\=(5\cdot2)x^{3+4}y^{2+7}\\=10x^7y^9$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-894-7
ISBN 13:
978-0-13417-894-3
Chapter 5 - Section 5.1 - Introduction to Polynomials and Polynomial Functions - Exercise Set - Page 327: 108
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