Question

Resolva as expressões:

(- 5/3)-3 . raiz: 225/81 =
​

Answer 1

Resposta:

-9/25 (Acho que é isso)

Explicação passo-a-passo:

$(\frac{-5}{3})^{-3} . \sqrt{\frac{225}{81} } \\ = (\frac{-3}{5})^{3} . \frac{15}{9} \\\\ = \frac{-27}{125} . \frac{15}{9} \\\\= \frac{-405}{1125} \\\\= \frac{-81}{225}\\\\= \frac{-9}{25}$