To find the cube root of a number, we have to find out which number when multiplied by itself twice gives that number. This is the same as trying to find out the length of the side of a cube when ...

Check to find the ‘power’ button on your own calculator. This is particularly useful when the index number is large. The square root of \({16}\) is \({4}\) (because \(4^2 = 4 \times 4 = 16\)).