Respuesta :

Answer:

27x⁴y⁵

Step-by-step explanation:

9xy⁴ₓ3x³y =

= 9ₓ3ₓx¹⁺³ₓy⁴⁺¹

= 27x⁴y⁵

Hi1315

Answer:

[tex]9x {y}^{4} \times 3 {x}^{3} y \\ 9 \times 3 \times x \times {x}^{3} \times {y}^{4} \times y \\ 27 \times {x}^{1 + 3} \times {y}^{4 + 1} \\ = 27 {x}^{4} {y}^{5} [/tex]

hopes this helps you....