$1.[10$ marks$]$ Convert the following numbers to the specified radix. All values are unsigned$($i$.$e$.$ non$-$negative integer values$).$ Show your work. You do not need to include subscripts in the calculations, but the base should be clearly identified in the final answer.

$($a$)$ Convert $10110112$ to decimal.

$($b$)$ Convert $0$x$3$B$7$D to decimal.

$($c$)$ Convert $130425$ to decimal.

$($d$)$ Convert $72310$ to base $7.$

$($e$)$ Convert $11011011110001010011102$ to hexadecimal.