3 (in the nook) of the radical of 8 raised to the second power according to my book equals 2^2 which equals for. But how and why does this equal 2^2? Can you explain the process please? I don't get how that radical equals four! Thanks for your help!

Answer 1

your description of 3 in the nook means the cube root.

(cubroot 8)^2
2^2
4