Question 46560
{{{(8y/8y*9y^2/5y)}}}[Multiply straight across]
{{{((8)(9)(y^(1+2)))/((8)(5)(y^(1+1)))}}}[Multiply numbers; add exponents]
{{{(72y^3)/(40y^2))}}}
.
.
{{{(9y)/(5))}}}  [If you need to further simplify]