Question

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Answer 1

Explicação passo-a-passo:

$(( \frac{ {3}^{4} }{ {3}^{7} } ) \times (\frac{ {2}^{3} }{ {2}^{2} } ))$

${3}^{ - 3} \times {2}^{1}$

$({ {3}^{ - 3} } \times 2)^{ - 1}$

$( \frac{1}{ {3}^{3} } \times 2)$

$( { \frac{2}{27} })^{ - 1}$

$\frac{27}{2}$