c) [tex]\sqrt{250} = \sqrt{25*10} = \sqrt{5^2 * 10} = 5\sqrt{10}[/tex]
d) [tex]\sqrt{44} = \sqrt{4*11} = \sqrt{2^2*11} = 2\sqrt{11}[/tex]
e) [tex]\sqrt{153} = \sqrt{9*17} = \sqrt{3^2*17} = 3\sqrt{17}[/tex]
e) [tex]\sqrt{2100} = \sqrt{100*21} = \sqrt{10^2*21} = 10\sqrt{21}[/tex]
