Convert the following decimal numbers to a) Hexadecimal, b) Binary, and c) Octal. For the fraction part you can limit the accuracy to two digits for a hex number, eight digits for a binary number, and three digits for an octal number.

27.59375

105.78125

241.53125

3) Convert the following decimal numbers to binary coded decimal (BCD) numbers.

86.23₁₀

4) Binary Arithmetic:

Subtract the following binary numbers:

11010 - 10111