Question

4 squareroot x^4

Answer 1

4x^2, get it?

Answer 2

no the 4 is a little four outside the squareroot

Answer 3

that is called the fourth root of x^4. that is (x^4)^(1/4)=x^(4/4)=x

Answer 4

4 squareroot x^4 means something different

Answer 5

the little number outside the radical is which root you are taking, 2nd root, 3rd root, 4th root, 5th root, etc. We call 2nd root square root and usually don't write the number, 3rd root is cubed root.