Equations, SM-Bank 056 MC Which of the following is not equal to \(9\)? \(-3\times -3\) \(4.5^2\) \(\sqrt{81}\) \(3^2\) Show Answers Only \(B\) Show Worked Solution \(\text{Option A: }\ \ \) \(-3\times -3=9\ \ \checkmark\) \(\text{Option B: }\ \ \) \(4.5^2=20.25\ne 9\) \(\text{Option C: }\ \ \) \(\sqrt{81}=9\ \ \checkmark\) \(\text{Option D: }\ \ \) \(3^2=9\ \ \checkmark\) \(\Rightarrow B\)