tolong dong yg d-h, makasihhh

d.)
8/625 =
2^3/5^4 =
(5^4/2^3)-1

e.)
4a/(2ab)^3 =
(2ab)^-3/(4a)^-1

f.)a/a^2 + b^5 =
a^-2 + b^-5/a^-2