Question

calcule as potências abaixo​

Answer 1

Resposta:

$(-\frac{6}{5} )^{2} =\frac{-6.-6}{-5.-5} =\frac{36}{25}$

$(\frac{3}{4})^{4} =\frac{81}{256}$

$(-\frac{4}{9})^{3} =-\frac{64}{729}$

$(-\frac{2}{5})^{-3} =(-\frac{5}{2} )^{3} =-\frac{125}{8}$

$(\frac{1}{8} )^{-2} =8^{2}=64$

$(\frac{9}{12} )^{-1} =(\frac{12}{9} )$