Respuesta :

[tex]2^{x} =3[/tex]

a) 9

[tex]4^{x} = (2^{2} )^{x} =(2^{x})^{2} = 3^{2} =9[/tex]

b) 27

[tex]8^{x} = (2^{3} )^{x} =(2^{x})^{3} = 3^{3} =27[/tex]

c) 81

[tex]16^{x} = (2^{4} )^{x} =(2^{x})^{4} = 3^{4} =81[/tex]