Answer
$9r^{2}$
Work Step by Step
$\frac{27r^{6}}{3r^{4}}=\frac{27}{3}\times\frac{r^{6}}{r^{4}}=9\times r^{6-4}=9\times r^{2}=9r^{2}$.
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 5 - Section 5.2 - Negative Exponents and Scientific Notation - Exercise Set - Page 353: 40
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