Question

1- Calcule as potências:

a) (-6/8)² =

b) (+3/5)⁴ =

c) (-6/10)³ =

d) (-10/20)² =

e) (+10/25)² =​

Answer 1

Resposta:

a) (-6/8)²=(-3/4)²=9/16

b) (+3/5)⁴= 3⁴/5⁴=81/54=81/625

c) (-6/10)³=(-3/5)³=-27/125

d) (-10/20)²=(-1/2)²=1/4

e) (+10/25)²=(2/5)²=4/25