The of a radical expression is the number indicating which root (square root, cube root, etc.) is meant.

The index of radical expression is the number indicating which root (square root, cube root, etc.) is meant.

If there's no index on the radical expression, then it's assumed to be square root.

other answer is correct. i had used the radius of the radius somehow. a website:

table a is wierd

step-by-step explanation:

6*f