hitunglah hasil perpangkatan [ (3/7)^3]^2 : (3/7)^7

((3/7)³)² : (3/7)^7
= (3/7)^6 : (3/7)^7
= (3/7)^6-7
= (3/7)^-1
= 7/3

maaf kalo salah

[(3/7)^3 ]^2÷(3/7)^7
=(3/7)^3×2÷(3/7)^7
=(3/7)^6-7
=(3/7)^-1
=7/3
maaf kalau salah