Answer
$B=-2$
Work Step by Step
$-8^{\frac{1}{3}}=-(\sqrt[3] 8)=-(2)=-2$
We know that $\sqrt[3] 8=2$, because $2^{3}=8$.
In this case, we are taking the opposite of $\sqrt[3] 8$.
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 7 - Section 7.2 - Rational Exponents - Exercise Set - Page 425: 111
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