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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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11y ago

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Q: How do you express something in radical form?
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