Question

5) Calcule as potências:
a) 2-1
b) 3-2
c) (5.3) -1
d) (2.4) -2
e) (-2.3) -2
f) (-1.2) -3​

Answer 1

Resposta:

a)2^-1 = 1/2 = 0,5

b)3^-2 = 1/3² = 1/9

c) (5x3)^-1 = 1/15

d) (2x4)^-2 = 1/8² = 1/64

e) (-2x3)^-2 = 1/-6^2 = 1/36

f) (-1x2)^-3 = 1/2^3 = 1/8