Indices, SM-Bank 068 MC Given that \(12^2=144\), then \(\sqrt{144}=\) ? \(288\) \(72\) \(12\) \(6\) Show Answers Only \(C\) Show Worked Solution \(144=12\times 12\ \ \text{(Given)}\) \(\therefore \sqrt{144}\) \(=\sqrt{ 12\times 12}\) \(=12\) \(\Rightarrow C\)