Question

calcule:

a) ( 5/3 )^-2 =

b) ( - 1/3 )^-3 =

c) ( - 4/3 )^-2 =

me ajudem pfvv ​

Answer 1

Resposta:

a)$\frac{9}{25}$

b)-27

c)$\frac{9}{16}$

Explicação passo a passo:

a)$(\frac{5}{3})^{-2} = \frac{3}{5}^{2} = \frac{9}{25}$

b)$(-\frac{1}{3}) ^{-3} =(-3)^{3} =-27$

c)$(-\frac{4}{3})x^{-2} =(-\frac{3}{4})^{2} =\frac{9}{16}$