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81 is a square number because 81 is 9.9 x 9 and that makes is a square number. Somw how, i don't even know why 9.9 x 9 = 81. So that's all i know, that's alli can say.
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∙ 12y ago
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Is 3 or 81 or 120 or 27 is a square number?
81 is a square number
What number is 81 a square root of?
The square root of 6561 is 81
Is 80 a square a number?
No but 81 is a square number
Is the square root of 81 a counting number?
Yes. Square root of 81= 9
What is the the next square number after 81?
The next perfect square after 81 (92) is 100 (102).
What is the square number of 81?
The square number of 81 is 9. 9 x 9 = 81
Is 3 or 81 or 120 or 27 is a square number?
81 is a square number
Is the square of 81 a rational number?
The square root of 81 is 9 which is a rational number
What number is 81 a square root of?
The square root of 6561 is 81
Is 80 a square a number?
No but 81 is a square number
What is the difference between a square root and a square number?
3 is the square root of 9. 9 is a square number. 9 is the square root of 81. 81 is a square number.
What is the square root located between 8 and 9?
The square root of any number between 64 and 81.The square root of any number between 64 and 81.The square root of any number between 64 and 81.The square root of any number between 64 and 81.
What is 81 a perfect square by what number?
81 is a perfect square because 81 = 9 x 9
What is the correct notation for the complex number square -81-14?
-81-14 is not a complex number. And its square is 9025.
Is the square root of 81 a counting number?
Yes. Square root of 81= 9
What kind of number is 81?
It is a square number
What is the square root of this number 81?
The square root of 81 is 9. The square roots of 81 are 9 and -9.
