nomer 1 saja beserta caranya

p^6 × q^14 × r^8 / p^3 q^12 r^9
= p^3 × q^2 / r
= (-4)^3 × (1/2)^2 / 5
= -64 × 1/4 / 5
= -16 / 5
= -3,2