Using a radical (square root) bar. I can't get one on the screen, but I'm sure you know what they look like.
Example: fractional exponents can be rewritten in radical form: x2/3 means the cube root of (x2) ... write a radical with an index number 3 to show cube root and the quantity x2 is inside the radical.
Any fractional exponent can be done the same way. The denominator of the fractional exponent becomes the index of the radical, but the numerator stays as a whole number exponent in the radical.
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when there is no radical in the denominator
You can't simplify it more in radical form
71 is a prime number, so there is no simpler form of radical 71 than radical 71.
The answer depends on the form of the radical expression.
3 radical 5