How do you write $7^(1/3)$ in radical notation?

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Answer 1 · 2016-09-05T19:30:31

$7^(1/3) = root3 7$

Recall the law of indices: $x^(1/2) = sqrtx and root3 x = x^(1/3)$

A fractional index is the same as a root.

$7^(1/3) = root3 7$

These two forms are interchangeable.
They are exactly equal- use the form you find easier to work with.

How do you write 7^(1/3)7^(1/3) in radical notation?