Answer
$\sqrt[]{3}$
Work Step by Step
To make the denominator of the given expression, $
\dfrac{5}{\sqrt[]{27}}
,$ a perfect square, the smallest number to be multiplied to both the numerator and the denominator is$
\sqrt[]{3}
.$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 7 - Section 7.5 - Rationalizing Denominators and Numerators of Radical Expressions - Exercise Set - Page 446: 94
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