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What is 81 a perfect square by what number?
81 is a perfect square because 81 = 9 x 9
What is the the next square number after 81?
The next perfect square after 81 (92) is 100 (102).
What kind of a number is 81?
81 is; Natural number, Perfect-square number, Perfect 4th root number, Perfect totient number, Odd Number, Composite Number, etc.
Is 81 a perfect square?
81 is a perfect square
How is a sudoku puzzle a perfect square?
Because 9*9 = 81 which is a square number or a perfect square.
What is a perfect square between the numbers 70-85?
155
What is the next square number after 78?
The next perfect square after 78 is 81 (±92).
Why is 81 both a perfect square and a perfect cube?
81 is a perfect squarebecause 81 = 9*9. It is NOT a perfect cube.
What is an example of an odd number that is a perfect square?
25, 49, 81, 225
What is the perfect square of 9?
The perfect square of 9 is 81.
Is 70 a square number?
No, at least, 70 isn't a perfect square. The nearest perfect squares are 8 squared = 64, and 9 squared = 81.
What is a whole number than can be named as a product of a number with itself called?
A whole number that can be made by multiplying an integer by itself is a perfect square, or square number. An example is 81, which is a perfect square made by 9 x 9.
