Answer
$\sqrt[5] {a^2}$
Work Step by Step
$a^{0.4}=a^{\frac{4}{10}}=a^\frac{2}{5}=\sqrt[5] {a^2}$
Algebra and Trigonometry 10th Edition
by Larson, Ron
Published by
Cengage Learning
ISBN 10:
9781337271172
ISBN 13:
978-1-33727-117-2
Prerequisites - P.2 - Exponents and Radicals - Exercises - Page 25: 60
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