$2-1.$ Convert these binary numbers to decimal.

$($a$)*10110$

$(e{)}^{*}11111111$

$($b$)10010101$

$($f$)01101111$

$($c$)*100100001001$

$(g{)}^{*}1111010111$

$($d$)01101011$

$($h$)11011111$