Express each rational in exponential form

a.)
[tex] \sqrt{x} = [/tex]
b.)
[tex] \sqrt[3]{x = } [/tex]
c.)
[tex] \sqrt[4]{ {x}^{5 =} } [/tex]
d.)
[tex] \sqrt[5]{ {x}^{4} } = [/tex]
e.)
[tex] \sqrt{ {x}^{5 = } } [/tex]
f.)
[tex] \sqrt[m]{{x}^{n} } = [/tex]