Convert the following decimal numbers to binary and hex. When converting to binary: $4$ points $($a$-$d$)$ use the method shown in Figure $1\mathrm{.}6.($see page $2)$

$($e$-$h$)$ construct the number by subtracting powers of $2($see page $2)$

$($a$)8$ bit $-(19)10$

$($b$)8$ bit $-(39)10$

$($c$)8$ bit $-(254{)}_{10}$

$($d$)12$ bit $-(491)10$

$($e$)12$ bit $-(707)10$

$($h$)16$ bit $-(17,387{)}_{10}$