tolong bantu jawab nomo25 kak

[1/4 a^(1/3)]^(-3/2) : 2a^(-3/2)
= [2^-2 . a^(1/3)]^(-3/2) : 2^1 . a^(-3/2)
= 2^3 . a^(-1/2) : 2^1 . a^(-3/2)
= 2^(3 - 1) . a^(-1/2 - (-3/2))
= 2^2 . a^(2/2)
= 4a