I can't figure this one out on my own either
$\frac{(3x^{3/2}y^3)} {(x^2y^{-1/2})}^{-2}$
I am a little confused on all the small rules at play here but I know that a negative exponent will flip a fraction so I square the top and then flip it. But before that I should work in the parentheses first since that is the order of operataions. I am not sure how to cancel out each of the numbers though I am a little confused what a negative fraction in the numerator does to a larger positive exponent in the denominator.