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Two, a positive and a negative.

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Q: How many square roots does the number 20 have?
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Related questions

What is the square roots of a even number from 10 to 20?

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


What are square roots of the number 400?

20


What is the real square roots of 400?

The two square roots of 400 are: 20 and -20.


What are the square roots of 400?

20 and -20


20 is the square root of?

20 is one of the two square roots of 400.


What is the square rout of 400?

20. * * * * * Sort of. ± 20 are the square roots (not rout!) of 400.


What are thre two square roots of 400?

They are -20 and +20.


What are the two square roots of 400?

-20 20


What is the largest prime number that has a square root that is less than 20?

Prime numbers can't have whole number square roots, of course, but the largest prime number under 400 is 397.


Does a square root have to be a whole number?

No, a square root doesn't have to be a whole number. The square root of 2.25 is 1.5. It could be said that most square roots are not whole numbers. Take just the first few integers (counting numbers). Find the square roots of the numbers 1 through 10 and you'll find three of the numbers have whole number square roots (1, 4 and 9). The other seven don't. For the numbers 11 through 20, there is only 1 number with a whole number square root (16).


What is a square root between 20 and 30 are integers?

All of the integers between 20 and 30 are square roots.


How many square number between 1 to 20?

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


Which whole numbers have square roots between 1 and 20?

All whole numbers between 1 and 400 (=20 square).


Is the number 20 a perfect square?

20 is a not perfect square.


What is the square root of 20?

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.


Is 20 a square number?

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


A number whose square is 20?

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.


Is the square root of 20 a rational number or irational?

The square root of 20 is an irrational number


What is A number those square is 20?

If you mean the square root is 20, the answer is 400. If you mean the square root of 20, the answer is about 4.47.


Is the number a perfect square?

20 is a not perfect square.


What are the two square roots of 100?

Ten and negative ten.


Square number between 20 and 30?

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


How is 400 a square number?

20*20 = 400


20 x 20 is equal to how many square feet?

400 square feet. This is an easy calculation - just multiply the length in feet by the width in feet. The answer is the number of square feet.


What number and its square equal 20?

It is: 4+16 = 20

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