Question

Ajudaaaaa.
calcule a seguintes expressões​

Answer 1

Resposta:

23

a) 2^-1 = (2/1)^-1 = (1/2)^1 = (1/2)

b) 3^-2 = (3/1)^-2 = (1/3)^2 = (1/9)

c) (5/3)^-1 = (3/5)^1 = (3/5)

d) (2/4)^-2 = (4/2)^-2 = (16/4) = 4

e) (-2/3)^-2 = (3/-2)^2 = (9/4)

f) (-1/2)^-3 = (2/-1)^3 = (8/-1) = -8