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Intuitively 20.5is between 10.5 and 40.5. Since these values are 1 and 2 respectively 20.5 must be between 1 and 2. However since the roots to each of these numbers can be either posative (+) or negative (-) the roots can lie on either side of the 0. The answer is then that the root of two can be greater than -2 and less than -1, or less than +2 and greater than +1.

Q: What is the square root of 2 on a number line?

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It'll be between 1 and 2

about 1/3 of the distance from 1 to 2

The square root of 648 is 18 times the square root of 2. 648 has no perfect square root.

The square root of 4 is 2. 2 is a rational number so they square root of 4 is rational.

You square the number, ie ^2. The square root is actually ^0.5, so if you square the number, you are doing ^0.5*2 = ^1, which is implicit on every number.

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By root, I think you mean square root. The square root of 2 is approx. 1.414. The square root of 9 = 3, so this goes exactly at 3 on the number line. Square root 2 will be less than 1/2 way between 1 and 2 on the number line.

Eight to the square root of two is 18.930500992570284227768534002147.

It'll be between 1 and 2

about 1/3 of the distance from 1 to 2

Yes, the square root of 2 is an irrational number.

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the square root of 2 is (an irrational number): 1.41421356....

The square root of 2 is 1.141..... is an irrational number

Sometimes the square root of a positive number can be irrational, as in the square root of 2 (which is a non-perfect square number), but sometimes it is a rational number, as in the square root of 25 (which is a perfect square number).

Square root of 2= 1 You should know this idiots!

The square root of 2 is an irrational number

Between 2 and 3.