Question

How is the square root of 343 cubed 7?

Answer 1

The square root of 343 is cubed 7 because 7x7x7 = 343
hope this helps

Answer 2

I don't know what your question means, but 7 cubed is 343, so the cubic root of 343 is 7.

$7^3 = 343$

$\sqrt[3]{343} = 7$

Exponent and root are inverse operations.
If you square 5 to get 25, then when you take the square root of 25 you get 5.
7^3 = 343, so the cubic root of 343 is 7.