college math intermediate alg
posted by kathy .
4y to the 5th power 81q to the 7th power
________________ X ___________________
9q to the 2nd power 16y .

4y^5*81q^7/(9q^2*16y)= do the coefficents first, then the powers
4*81/16*9=
9/4
y^(51)q^(72)
9y^4 q^5 /4
check that.