[tex]\sqrt{3^{2}} =\sqrt{9} = 3\\\\\sqrt{(-3)^{2}} = \sqrt{9} = 3\\\\\\\sqrt{7^{2}} = \sqrt{49} = 7\\\\\sqrt{(-7)^{2}} = \sqrt{49} =7\\\\\\\sqrt{12^{2}}=\sqrt{144} = 12\\\\\sqrt{(-12)^{2}} = \sqrt{144} = 12[/tex]
[tex]\sqrt[3]{3^{3}} = \sqrt[3]{27} = 3\\\\\sqrt[3]{(-3)^{3}} = \sqrt[3]{-27} = -3\\\\\\\sqrt[3]{2^{3}} = \sqrt[3]{8} = 2\\\\\sqrt[3]{(-2)^{3}} = \sqrt[3]{-8} = -2\\\\\\\sqrt[3]{10^{3}} = \sqrt[3]{1000} = 10\\\\\sqrt[3]{(-10)^{3}} = \sqrt[3]{-1000} = -10[/tex]
