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[tex]2) \: \: \: \frac{ {11}^{2} \times {4}^{2} }{ {11}^{2} \times 4 } = \frac{ {4}^{2} }{4} = \frac{16}{4} = 4 \\ 4) \frac{ {3}^{6} \times {3}^{3} }{ {3}^{5} \times 3 \times 3 } = \frac{ {3}^{6 + 3} }{ {3}^{5 + 1 + 1} } = \frac{ {3}^{9} }{ {3}^{7} } = {3}^{9 - 7} = {3}^{2} = 9[/tex]