Question

Simplify. Express the answers using positive exponents:

Help me on this, Points are 2x than they usually are.

Answer 1

`(-1)/(2)ab^(12)`

`(w^(10))/(3y^4)`

Explanation:

Given the expression;

`(-2a^2b^4)/(4ab^(-8))\\= (-2)/(4)*a^(2-1)b^(4-(-8))\\= (-1)/(2)ab^(12)`

Similarly for the expression;

`(-5w^4y^(-2))/(-15w^(-6)y^2)\\= (-5)/(-15)*w^(4-(-6))y^(-2-2)\\= (1)/(3)w^(10)y^(-4) \\= (w^(10))/(3y^4)`