Ah, what a happy little question! The number you're looking for is 3. When you multiply 3 by itself (3 x 3), you get 9. Isn't that just a joyful little discovery? Remember, there are always happy little numbers waiting to be found!
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The number that, when multiplied by itself, equals 9 is called the square root of 9. In this case, the square root of 9 is 3, because 3 multiplied by 3 equals 9. The square root is denoted by the symbol √, so √9 = 3.
Well, darling, the number you're looking for is 3. Yes, that's right, 3 times 3 equals 9. It's as simple as that, honey.
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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.
9 times 9 equals 81. This is because when you multiply a number by itself, you are essentially squaring that number. In this case, 9 squared is equal to 81. This can be calculated by adding 9 to itself 9 times, or by using the multiplication operation to simplify the process.
If a number is added to itself, it is twice that number → 18 ÷ 2 = 9 → 9 + 9 = 18
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