Answer
$3^4\times9^3$
Work Step by Step
An exponent represents repeated mutiplication.
$3\times3\times3\times3\times9\times9\times9$ has 4 factors that are the number 3 ($3^4$) and 3 factors that are number 9 ($9^3$).
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 4 - Cumulative Review - Page 326: 17
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