Answer
$\frac{36}{r^2}$
Work Step by Step
We divide by the monomial as follows
$$
\frac{252}{7r^2}=\frac{7\cdot 36 }{7r^2}=\frac{36}{r^2}
.$$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 5 - Section 5.6 - Division by a Monomial - Exercise - Page 227: 23
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