Squaring, cubing and higher powers are shown by small digits called indices, like 102 and 53.
The opposite of squaring a number is finding the square root, and the same is true for cubing and cube roots.
This Revision Bite covers:
BBC © 2012 The BBC is not responsible for the content of external sites. Read more.
This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.