Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 5 - Section 5.4 - Multiplication of Monomials - Exercise - Page 223: 8

Answer

$36y^7$

Work Step by Step

Multiply the numerical coefficients. Add the powers of the variables. $(-4y^4)(-9y^3)=(-4\times-9)y^{4+3}=36y^7$
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