1 per x²y × 2x per 3y² × 5 per 3x × (4y)²

1/x²y × 2x/3y² × 5/3x × (4y)²
= 1/x²y × 2x/3y² × 5/3x × 16y²
= (1×(2/3)×(5/3)×16) . x^(-2+1-1) . y^(1-2+2)
= 160/9 . x^-2 . y^1
= 160y/9x²

^ tanda pangkat