No, it is an irrational number.
Sqrt of 2 goes on and on and on.
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The square root of 4 is 2 which is a rational number
No because it is 2 times the square root of 21 which is an irrational numberThe square root of 84 is not a rational number
The square root of 12 is not a rational number. In fact, it is a radical number. It's simplified form would be 2 multiplied by the square root of 3.
Yes, because the answer is 3/2 which is a rational number.
irrational