jika x=4,y=2,z=½ hitunglah (x^-1)^2.y^4/z^-3

Eksponen

x = 4
y = 2
z = 1/2

(x^-1)^2 . y^4 / z^-3
= (4^-2) . 2^4 . (1/2)^3
= 2^-4 . 2^4 . 1/2³
= 1 . 1/8
= 1/8