Answer :
You are looking for a number that, when multiplied by the same number, equals 30. This is can be written as x times x, or [tex] x^{2} [/tex] = 30. To find the answer, all you have to do is take the square root of 30.
[tex] \sqrt{30} [/tex] is approximately 5.477
[tex] \sqrt{30} [/tex] is approximately 5.477