Answer:
A
Step-by-step explanation:
1 / y^2
y^6 / y^10 * y^2
We know that a^b/a^c = a^(b-c)
y^(6-10) 8 y^2
y^-4 * y^2
We know that a^b * a^c = a^ (b+c)
y^(-4+2) *
y^ -2
We know that a^-b = 1 / a^b
