Gimana ini kak? bantuannya!

a^-1/3 = 1/a^1/3 = 1/27^1/3 = 1/3

b^-2/5 = 1/b^2/5 = 1/(32)^1/5)^2 = 1/2^2 = 1/4

jadi 3(1/3)(4)(1/4) = 1

^ artinya pangkat