Question

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Answer 1

Resposta:

$( \frac{ {3}^{2} }{ {3}^{3}} )^{ - 3} = ( {3}^{2 - 3} )^{ - 3} = ( {3}^{ - 1}) ^{ - 3} =$

$= {3}^{3} = 3 \times 3 \times 3 = 27$

Letra c. Espero ter ajudado.