AndreaMurnan681
Answered

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Write (8a^-3)^2/3 in a simplest form.
a. a^2/4
b. 4a^2
c. 1/4a^2
d. none of these

Sagot :

naǫ
[tex](8a^{-3})^\frac{2}{3}=(8 \cdot \frac{1}{a^3})^\frac{2}{3}=(\frac{8}{a^3})^\frac{2}{3}=\sqrt[3]{(\frac{8}{a^3})^2}=\sqrt[3]{\frac{64}{a^6}}=\frac{\sqrt[3]{64}}{\sqrt[3]{a^6}}=\frac{4}{a^2}[/tex]

It doesn't equal any of the answers A, B, C.
The answer is D.
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