We've been on exponents for a little while now in class and I keep getting confused . Bear with me please.

I'm to simplify

(3x(sqrt(x^3))^2

From here I

(3^2)(x^2)(x^3)

9x^5

Next one is

x^e(x^e)^2

(x^e)(x^2e)

x^(2e + e)

Please let me know if I did those correctly =)