Respuesta :

81^(1/4) =
[tex] \sqrt[4]{81} [/tex]
=3
Using the formula,
[tex] {a}^{x \div n} = \sqrt[n] {a}^{x} [/tex]
81 is a and n is 4 so in simplest radical form it is
[tex] \sqrt[4]{81} [/tex]