Express $\sqrt{x}$√x in index form.
Simplify the following, giving your answer with a positive index: $\left(4a^4\right)^{\frac{1}{2}}$(4a4)12
Express $\sqrt[6]{x}$6√x in index form.
Express $\sqrt[3]{x^6}$3√x6 as a power of a power, then simplify.