It isn't. The square of any real number is positive. (negative 9)2 = positive 81.
Did you mean negative (92) ? Well, 92 = 81, and the negative of that is negative 81.
lokiya said: 9 squared is equal to 81
The expression "-9 squared" means to multiply -9 by itself. When you calculate this, you get ((-9) \times (-9) = 81). Therefore, -9 squared equals 81.
To work out 9 squared, you multiply 9 by itself. This means calculating (9 \times 9), which equals 81. Therefore, 9 squared is 81.
The square root of 81 is 9. 9 x 9 = 81.
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 squared = 81(-9)^2 = (-9) * (-9) = 81
lokiya said: 9 squared is equal to 81
81 x 81 = 6561
9 x 9 = 81 9 squared = 81 3 squared times 3 squared = 81
The expression "-9 squared" means to multiply -9 by itself. When you calculate this, you get ((-9) \times (-9) = 81). Therefore, -9 squared equals 81.
9 squared is 81 and 16 squared is 256
To work out 9 squared, you multiply 9 by itself. This means calculating (9 \times 9), which equals 81. Therefore, 9 squared is 81.
9 squared is 9 x 9 or 81.
The square root of 81 is 9. 9 x 9 = 81.
81 9*9=8181
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 squared is 81.