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because there is no whole number when multiplied by itself that gives 20.
25 is a square number because 5 x 5 = 25
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∙ 12y ago
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Can a number be both composite and square?
Yes.... look at the number 20. It's a composite and it does have a square root.
How many square feet is equal to 20 square meters?
20 square meters are 215.278208 square feet.
What number must be added to the polynomial to complete the square x2 - 20x?
Adding 100 completes the square. { I wonder why you want to complete the square when the expression already factors as x(x-20) }.
What is the square root of 20 simplified?
The square root of 20 simplified is ±4.5
The square root of 484?
The square root of 484 is 22. An easy trick to find this out is to round down to the nearest large whole number. In this case, that is 400, the square root of which is 20. If 20 x 20 = 400, what does 21 x 21 equal? Turns out that's 441. Move up to 22 x 22. There you have your answer!
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 the square root of 20 a rational number or irational?
The square root of 20 is an irrational number
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 20 a square number?
20 is not the square of an integer, the square root of 20 is approximately equal to 4.472.
Square number between 20 and 30?
The only square number between 20 and 30 is 25.
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.
How is 400 a square number?
20*20 = 400
What is the product of the 4th square number and the 2nd square number?
20
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 number and its square equal 20?
It is: 4+16 = 20
