Tyler simplified the expression x^-3 y^-9. His procedure is show below.

X^-3y^-9=1/x^3•1/y-9=1/x^3y^-9

What is Tyler error?!

A. Both powers should be in the numerator with positive exponent

B. Both powers should be in the dominator with positive exponent

C. The power x^3 should be in the numerator and the power y^9 in the denominator

D. The power y^9 should be in the numerator and the power x^3 in the denominator

Pls help me! ❤️