\begin{questions}
\item \raisebox{-0.4\totalheight}{$\begin{array}{|L|c|c|c|c|}
\hline
\text{Hexadécimal} & A & 3 & 2 & 0\\\hline
\text{Pseudo-décimal} & 10 & 3 & 2 & 0  \\\hline
\text{Binaire} & 1010 & 0011 & 0010 & 0000 \\\hline
\end{array}$}

Donc $\base{A320}{16}=\base{1010001100100000}{2}$.

\item \raisebox{-0.4\totalheight}{$\begin{array}{|L|c|c|c|c|c|c|}
\hline
\text{Hexadécimal} & F & A & B & E & 5 & 1\\\hline
\text{Pseudo-décimal} & 15 & 10 & 11 & 14 & 5 & 1  \\\hline
\text{Binaire} & 1111 & 1010 & 1011 & 1110 & 0101 & 0001 \\\hline
\end{array}$}

Donc $\base{FABE}{16}=\base{111110101011111001010001}{2}$.

\item \raisebox{-0.4\totalheight}{$\begin{array}{|L|c|c|c|c|c|c|}
\hline
\text{Hexadécimal} & 1&0&1&0&1&0\\\hline
\text{Pseudo-décimal} & 1&0&1&0&1&0  \\\hline
\text{Binaire} & 0001 & 0000 & 0001 & 0000 & 0001 & 0000 \\\hline
\end{array}$}

Donc $\base{101010}{16}=\base{100000001000000010000}{2}$.

\item \raisebox{-0.4\totalheight}{$\begin{array}{|L|c|c|c|c|c|}
\hline
\text{Hexadécimal} & 5 & 9 & A & 7 & 5\\\hline
\text{Pseudo-décimal} & 5 & 9 & 10 & 7 & 5  \\\hline
\text{Binaire} & 0101 & 1001 & 1010 & 0111 & 0101 \\\hline
\end{array}$}

Donc $\base{101010}{16}=\base{1011001101001110101}{2}$.
\end{questions}
