Answer:
x^7 / y^4
Step-by-step explanation:
Please enclose a negative exponent inside parentheses:
x^9y^(-4)/x^2
Rewrite this in the form
numerator
----------------------
denominator
x^9 *
We get: ------------ divided by x^2
y^4
x^7
Since x^9 / x^2 = x^7, our final answer is --------
y^4
