Answer
$2\times3\times3\times5$
Work Step by Step
We create a factor tree.
$90$
$/\ \backslash$
$45\ \ 2$
$/\ \backslash$
$15\ \ 3$
$/\ \backslash$
$5\ \ 3$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 1 - Test - Page 103: 13
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