Ans: B
$\begin{array}{cl}
& \mbox{B}0~000~000~023_{16} \\
= & 11\times16^{10} + 2\times16^1+3\times 16^0 \\
= & 11\times16^{10} + 25
\end{array}$
$\begin{array}{cl}
& \mbox{B}0~000~000~023_{16} \\
= & 11\times16^{10} + 2\times16^1+3\times 16^0 \\
= & 11\times16^{10} + 25
\end{array}$
