2.8845.
10.
4
It is: 10 times 10 = 100
It is: 15 times 15 = 225
The number is three.
2.8845.
10.
3 does.
A number multiplied by itself would being as it being to some power. So 32 = 2^5 = 2 x 2 x 2 x 2 x 2 = 4 x 2 x 2 x 2 = 8 x 2 x 2 = 16 x 2. By words, thirty-two has two by the fifth power.
4
It is 4.
The number that, when multiplied by itself, equals 120, is approximately 10.954451150103322269139395656016.
It is: 10 times 10 = 100
It is: 15 times 15 = 225
It is: 19 times 19 = 361
The number is called a "cube root"