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: 10

Answer

$40a^2b$

Work Step by Step

Multiply the numerical coefficients. Add the powers of the variables. $(4ab)(10a)=(4\times10)a^{1+1}b=40a^2b$
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