Hasil perkalian (16 z^(2))/(20 x y^(5)) x (8 x^(3)

Hasil perkalian (16 z^(2))/(20 x y^(5)) x (8 x^(3) y^(4))/(54 x^(2) z^(4))=.. a. (16 z^(2))/(20 x y^(5)) C. (50 z^(2))/(20 x z^(5)) b. (16 z^(2))/(20 x z^(5)) d. (16)/(135 y z^(2))