Question

Hitunglah :
a. 8 x (1/2) pangkat 4
b. (-8) pangkat 3 x (- 1/2) pangkat 4

Answer 1

Semoga membantu ya. 

(a^b)^c = (a)^b kali c
a^b x a^c = a^(b+c)

a. 8 x (2^-1)^4 = 2^3 x 2^-4 = 2^(3-4) = 2^-1 = 1/2
b. (-8)^3 x (-2^-1)^4 = -2^9 x -2^-4 = -2^(9-4) = -2^5 = 1/2^5