Question

Calcule as potências:
A) (1/2)²=
B)(-2/3)²=
C)(1/5)-³=
D)(1/4)³=
E)(-1/2)³=
F)(5/8)¹=
G)(-3/4)-²=

Answer 1

a)1/2.1/2= 1/4
b)-2/3.-2/3= 4/9
c) 1/5.1/5.1/5= 1/125
d)1/4.1/4.1/4= 1/64
e)-1/2.-1/2.-1/2= -1/8
f)5/8
g)-3/4.-3/4= 9/16