Answer:
x x^4
--------------
y^2 y^6
Step-by-step explanation:
xy^-6
--------------
x^-4 y^2
Negative exponent in the numerator go to the denominator and negative exponents in the denominator go to the numerator
x
--------------
x^-4 y^2 y^6
x x^4
--------------
y^2 y^6
