Chapter 6.2, Problem 1PE

a. If n is an integer greater than 1, then radical notation for $a^{1/n}$ is _________________.

b. Assume that m and n are positive integers that share no common factors and $n>1.$ If $\sqrt[n]{a}$ exists, then in radical notation $a^m{}^n=\_\_\_\_.$

c. The radical notation for $x^{-1/2}$ is _________________.

d. $g^{1/3}=$ _____________ and $8^{-1/3}=$ __________________.