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Earn +20 ptsQ: Is 2 a square number
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Is 2 a squre number?
2 is a square number but, because it is not a square of an integer, it is not a perfect square.
How did you find the square of each number?
The square of a number is that number times itself. Square of 2 is 2*2=4 Square of 3 is 3*3=9
When you subtract one square number from another square number the answer is 7 What are the 2 square numbers?
5 and 2
Is every rational number a perfect square?
No. Though every perfect square is a rational number, not every rational number is a perfect square. Example: 2 is a rational number but sqrt(2) is not rational, so 2 is not a perfect square.
Is the square of 2 rational number?
Yes, the square of any rational number is also a rational number.The square root of 2 is not a rational number.
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