Question

the value of [1/27]⁻²/³

Answer 1

$( \frac{1}{27} ) {}^{ \frac{ - 2}{3} } = (\frac{1 {}^{3} }{3 {}^{3} } ) {}^{ \frac{ - 2}{3} } =$
$\frac{1 {}^{3 \times \frac{ - 2}{3} } }{3 ^{3 \times \frac{ - 2}{3} } } = \frac{1 {}^{ - 2} }{ {3}^{ - 2} } = (\frac{1}{3}) {}^{ - 2}$
$= = > \frac{9}{1} = 9$
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Answer 2

I think this answer ia appropriate...