Question

does the exponent outside of parenthesis multiply with coefficient inside the parenthesis even though it has no variable?

Answer 1

yes , it powers the coeficient the expression in red will be

`((2x^6)/(y^2))^(-3)=(2^(-3))(x^(-18))(y^6)=(y^6)/(8x^(18))`
`2^(-3)=(1)/(2^3)=(1)/(8)`