( -5r^2 s^3 t )^3 tolong dibantu yaa.. kurang ngerti soalnya. *pakai cara trmksh.

(-5r^2 s^3 t)^3
= (-5)^3 × (r^2)^3 × (s^3)^3 × (t)^3
= -125 r^(2×3) s^(3×3) t^3
= -125 r^6 s^9 t^3