Answer
$3\sqrt 3$
Work Step by Step
$\sqrt 27=\sqrt 9 \times\sqrt 3=3\sqrt 3$
We know that $\sqrt 9=3$, because $3^{2}=9$.
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 7 - Section 7.3 - Simplifying Radical Expressions - Exercise Set - Page 433: 32
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