Verified answer

Square root means raise to the ½ power. Then

√(9ab³) =

√(9)√(a)√(b³) =

3a^(½)(b³)^(½) =

3a^(½)b^(3*½) =

3a^(½)b^(3/2)

So c = 3, p = ½, q = 3/4

Hope this helps you!

In response to the best answer, you meant to put q = 3/2