bisa dibantu tolongggghgggvgbb

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

Note : ^ = pangkat