Вычисли

a) \(\log\_2 8=\) [ ];

б) \(\log\_9 \dfrac{1}{81}=\) [ ];

в) \(\lg 10000=\) [ ];

г) \(\log\_{0,2} 5=\) [ ];

д) \(\log\_{99} 1=\) [ ];

е) \(\ln e^{2004}=\) [ ].