Question

How do you write the expression `7^(4/3)` in radical form?

Answer 1

`root(3)(7^4)`

Explanation:

Using the `color(blue)"law of exponents"`

`color(red)(bar(ul(|color(white)(2/2)color(black)(a^(m/n)=root(n)(a^m))color(white)(2/2)|)))`

`"here "m=4" and "n=3`

`rArr7^(4/3)=root(3)(7^4)`