[tex]9) \: {3}^{2 log_{3}7} = {3}^{ log_{3}( {7}^{2} ) } = {7}^{2} = 49[/tex]

[tex]10) \: {6}^{3 log_{6}2 } = {6}^{ log_{6}( {2}^{3} ) } = {2}^{3} = 8[/tex]

[tex]11) \: {2}^{5 log_{2}3 } = {2}^{ log_{2}( {3}^{5} ) } = {3}^{5} = 243[/tex]

[tex]12) \: {5}^{2 log_{5}4 } = {5}^{ log_{5}( {4}^{2} ) } = {4}^{2} = 16[/tex]