tolong bantu jawab....

Kelas 9 Matematika
Bab Akar dan Pangkat

^ = pangkat

(3x²)/(y^4) . (y^7)/(x^8)
= (3x²)/(x^8) . (y^7)/(y^4)
= 3 x^(2 - 8) . y^(7 - 3)
= 3 . x^(-6) . y^4
= (3 y^4)/x^6