hitung nilai 64 pangkat 3/4, 16 pangkat -3/4, 81 pangkat 3/4...tlg bgt yaa

64^3/4 = {2^6}^3/4
= 2^(6×3/4)
= 2^9/2
= √(2^9)
= (2^4)√2
= 16√2

16^-3/4 = 1 / 16^3/4
= 1 / {2^4}^3/4
= 1 / 2^(4×3/4)
= 1 / 2^3
= 1 / 8

81^3/4 = {3^4}^3/4
= 3^(4×3/4)
= 3^3
= 27