Answer
$-0.3$ and $0.3$
Work Step by Step
Note that
$0.3^4=0.0081$ and
$(-0.3)^4=0.0081$.
Thus, the real fourth roots of $0.0081$ are $-0.3$ and $0.3$.
Algebra 2 Common Core
by Hall, Prentice
Published by
Prentice Hall
ISBN 10:
0133186024
ISBN 13:
978-0-13318-602-4
Chapter 6 - Radical Functions and Rational Exponents - 6-1 Roots and Radical Expressions - Practice and Problem-Solving Exercises - Page 364: 20
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