Question

Calcule as potências:

a)(+1/3)²= c)(+2/3)²=

b)(-1/5)²= d)(-3/7)²=

e)(+4/5)²= f)(-3/2)²=

g)(-8/3)²= h)(-1/4)²=

i)(-2/3)³=

Answer 1

a)1/9
b)1/25
c)4/9
d)9/49
e)16/25
f)9/4
g)64/9
h)1/16
i)-8/27