Question

Resolva as POTENCIAS:

A) (-4)-³=

B) (+6/8)-²=

C) (+9)-¹=

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Answer 1

Olá Marina!!

ALTERNATIVA A

${( - 4)}^{ - 3} \\ { - 4}^{ - 3} \\ - \frac{1}{ {4}^{3} } \\ - \frac{1}{64}$

ALTERNATIVA B

$\binom{6} {8} {}^{ - 2} \\ \\ \binom{3}{4} {}^{ - 2} \\ \\ \binom{4}{3} {}^{2} \\ \\ \frac{16}{9}$

ALTERNATIVA C

$( + 9) - 1 \\ \\ \frac{1}{9}$