Question

calcule as potencias

a) (2/3)² =

b) (4/7)² =

c) (7/5)² =

d) (1/3)² =

e) (5/3)² =

f) (2/3)³ =

Answer 1

Vamos lá :

a) (2/3)² =  2²/3² =  4/9

b) (4/7)² =  4²/7² =  16/49

c) (7/5)² =  7²/5² =  49/25

d) (1/3)² =  1²/3² =  1/9

e) (5/3)² =  5²/3² =  25/9

f) (2/3)³ = 2³/3³ =  8/27

Espero ter ajudado !!!