How do you write $81^(3/4)$ in radical form?

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Answer 1 · 2017-03-18T13:22:27

$81^(3/4)color(white)("x") underline("in radical form") = root(4)(81^3)$

Note that $81^(3/4)$ does not need to be expressed as a radical; it exists as a simple integer:

$81^(3/4)=(root(4)(81))^3=3^3=27$

How do you write 81^(3/4)81^(3/4) in radical form?