It is an irrational number meaning that it cannot be represented as a fraction or with any number of decimal places (it would go on for an infinite amount of digits). It can only be approximated. To 5 decimal places it is:
1.41142
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The square of any square root is equal to the number itself. For example, the square of the square root of 2 squared is equal to 2. The square root of 10 squared is equal to 10.Similarly, the square of the square root of 2 is equal to 2.
It is: 2 times the square root of 10
It is equal to: 2 times the square root of 30
The cubed root of 2, or 21/3, is equal to 1.259921 The square root of 2, or 21/2, is equal to 1.414214
Twelve thirds is equal to 4. The square root of 4 is 2, and since twelve thirds is equal to 4, the square root of twelve thirds is also equal to 4, which is 2.