To simplify this problem, the power of x and y have a negative value, which means it goes to the denominator with a sign change.
As my teacher always says "cross the line change the sign"
4x^-6 y^-2
becomes
4/(x^6y^2)
When you have a negative exponent, it is positive in the denominator. And when you have a positive exponent in the denominator, it changes to negative on the numerator.
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Verified answer
To simplify this problem, the power of x and y have a negative value, which means it goes to the denominator with a sign change.
As my teacher always says "cross the line change the sign"
4x^-6 y^-2
becomes
4/(x^6y^2)
When you have a negative exponent, it is positive in the denominator. And when you have a positive exponent in the denominator, it changes to negative on the numerator.