Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 5 - Exponents and Polynomials - 5.2 - Multiplying Monomials - Problem Set 5.2 - Page 200: 19

Answer

$-6a^2b^3$

Work Step by Step

Using $x^a\cdot x^b=x^{a+b}$, the given expression, $ (-2ab)(-ab)(-3b) ,$ simplifies to \begin{array}{l}\require{cancel} (-2)(-1)(-3)a^{1+1}b^{1+1+1} \\\\= -6a^2b^3 .\end{array}
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