Respuesta:
2
[tex] log2( log2(16) ) = log2( log2( {2}^{4} ) ) [/tex]
[tex] log2( {2}^{4} ) = 4 log_{2}(2) = 4 \times 1 = 4[/tex]
[tex] log_{2}(4) = log_{2}( {2}^{2} )[/tex]
[tex]log_{2}( {2}^{2} ) = 2log_{2}(2) = 2 \times 1 = 2[/tex]
