Question

1.Calcule as potências com expoente negativo.
a) (3/7) -2 =
b) (1/3) -3 =
c) (-5) -2 =
d) (-2) -5 =
e) (1/3) -2 =
f) (2/5) -1 =
g) (-2/5) -3 =

Answer 1

Resposta:

a)49/9

b)27

c)1/25

d)-1/32

e)9

f)5/2

g)-125/8