Complete the following unsigned binary numbers to decimal, octal, and hexadecimal numbers.

$\backslash$table$[[\backslash$table$[[$Unsigned binary$],[$number$]],$Decimal,Octal,Hexadecimal$],[11110,,,],[11010,,,],[10010011,,,],[100100011,,,],[1011011,,,],[1101101110,,,],[10111101010,,,]]$

Use the following numbers to $12-$bit signed binary numbers using two's complement representation.

$\backslash$table$[[$Numbers$,12-$bit signed binary numbers$],[{234}_{10},],[-{234}_{10},],[{234}_8,],[$BC$4{?}_{16},],[-47210,]]$