Q: What number timesed by itself equals 9?

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13.416407864998738178455042012388

27 The square root of a number is "the number times itself that equals the original number". The square root of 9 = the number times itself that equals 9. In this case it is 3 (3 x 3 = 9). To cube a number, multiply the number by itself two times. The square root of 9 cubed would be 3 x 3 x 3, or 27.

To square a number, you multiply it by itself. 3 squared is 9. (3x3=9) The square root is the number that, multiplied by itself, equals the question. So, if you are asked, what is the square root of 9, it would be 3, because 3x3=9.

30

If a number is added to itself, it is twice that number → 18 ÷ 2 = 9 → 9 + 9 = 18

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13.416407864998738178455042012388

9

27 The square root of a number is "the number times itself that equals the original number". The square root of 9 = the number times itself that equals 9. In this case it is 3 (3 x 3 = 9). To cube a number, multiply the number by itself two times. The square root of 9 cubed would be 3 x 3 x 3, or 27.

The sum of the digits is 27, which is divisible by 9, so the number itself is divisible by 9. When divided by 9, it equals 20307.

9 x 25

To square a number, you multiply it by itself. 3 squared is 9. (3x3=9) The square root is the number that, multiplied by itself, equals the question. So, if you are asked, what is the square root of 9, it would be 3, because 3x3=9.

A square root is a number which multipled by itself equals the number in question. The square root of 9 is 3, much like 3 squared is 9.

3 Im a SmartyPantsCutie: That's a bad answer, does not explain. If you mean one number multiplied by itself, the answer is 3. The answer is a whole number because the number 9 is a perfect square.

To square a number means to multiply it by itself. Thus, 92 (read: nine squared, or nine to the second power) = 9 x 9=81

30

If a number is added to itself, it is twice that number → 18 ÷ 2 = 9 → 9 + 9 = 18

The square root of 81 is: ±9 (9 or -9)A square root is a number which, when multiplied by itself, equals the original number. As 9 x 9 = 81 and -9 x -9 = 81, the answer is plus or minus nine.