Q: What is A number those square is 20?

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Well, a square number is the answer to a number multiplied by itself. So, what you'd have to do is multiply 20*20, and the answer is 400.

20 is not the square of an integer, the square root of 20 is approximately equal to 4.472.

The square root of 20 is an irrational number

There are 11 numbers from 10 to 20 if we include 10 and 20. Of those, only 16 is a perfect square. So the probability if 1/11 or .09 repeating.

The only square number of an integer between 20 and 30 is 25, which is equal to the square of Â±5.

The square root of 20 is: ± 4.472136The square root of 20 is ± 4.472136 (to 7 sf).A square root of a number is the number that when multiplied by itself equals the given number.

20*20 = 400

16 is an even number from 10 to 20, and its square roots are -4 and +4.

The square of 11-20 is the square of -9. To actually calculate the square, multiply -9 by itself.

400 is a significant number because it is a square number as 20*20 = 400

It is: 4+16 = 20

Yes.... look at the number 20. It's a composite and it does have a square root.

36 is the only square number that is also a triangular number between 20 and 40.

The only square number between 20 and 30 is 25.

20 is a not perfect square.

16 is the only square number.

The square root of 20 is an irrational number that can be expressed as 2 times square root of 5

20

No.

because there is no whole number when multiplied by itself that gives 20. 25 is a square number because 5 x 5 = 25

There are (not counting 1) three square numbers between 1 and 20.

Yes. 400 is the product of 20 x 20.

1 and 4?

36 is the only perfect square amongst those listed.

2,4,3,

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