(1/5)pangkat 2×(1/5)pangkat min 4 × (1/5)pangkat min 4

(1/5)^2 x (1/5)^-4 x (1/5)^-4
= (1/5)^[2 + (-4) + (-4)]
= (1/5)^-6
= 1/(1/5)^6
= 1/(1/15.625)
= 15.625