Ans: A
$\begin{array}{cl}
& \mbox{AD}0~000~002~012_{16} \\
= & 10\times16^{11} + 13\times16^{10} + 2\times 16^{3} +1\times16^1+2\times16^0 \\
= & (10)16^{11}+(13)16^{10} + 8~210
\end{array}$
$\begin{array}{cl}
& \mbox{AD}0~000~002~012_{16} \\
= & 10\times16^{11} + 13\times16^{10} + 2\times 16^{3} +1\times16^1+2\times16^0 \\
= & (10)16^{11}+(13)16^{10} + 8~210
\end{array}$
