Respuesta :

UnLedZep

Answer:

Step-by-step explanation:

[tex]( x^{9} y^{5} )^{-4} \\x^{(9)(-4)} y^{(5)(-4)} \\x^{-36}y^{-20} \\\frac{1}{x^{36}y^{20}}[/tex]

Math7sloth

9. 5
The answer is X. Y. -4