Question

Calcule as potências

a) (3/7)⁻² =
b) (2/5)⁻¹ =
c) (1/3)⁻³ =
d) (-5/4)⁻³ =
e) (-1/3)⁻² =
f) (-2/5)⁻³ =​

Answer 1

Resposta:

a) 49/9

b) 5/2

c) 27

d) -64/125

e) 9

f) -125/8