9 is already a square number because 3 times 3 equals 9
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When you square a number, you multiply it by itself. So, 9 squared means 9 multiplied by 9, which equals 81. In mathematical notation, 9 squared is written as 9^2 or 9 x 9.
9^2
Yes, it is.
three squared = 3^(2) = 3 x 3 = 9 The answer!!!!!
No, 90 is not a square number. 81 is 9 squared and 100 is 10 squared.