Answer
$(2a)4=8a$
Work Step by Step
Show that $(2a)4$ is equivalent to $8a$.
$(2a)4\longrightarrow$ Use the commutative property.
=$4(2a)\longrightarrow$ Use the associative property.
=$(4\times2)a\longrightarrow$ Simplify.
=$8a$
Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)
by Bittinger, Marvin L.; Ellenbogen, David J.; Johnson, Barbara L.
Published by
Pearson
ISBN 10:
0-32184-874-8
ISBN 13:
978-0-32184-874-1
Chapter 1 - Introduction to Algebraic Expressions - 1.2 The Commutative, Associative, and Distributive Laws - 1.2 Exercise Set - Page 17: 44
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