5. (24 marks) Perform the following conversions without using a calculator.

a. [8 marks] Convert the binary number 110 0000b and 10 1010 1010b to both a decimal number (2 marks each) and a hexadecimal number (2 marks each).

b. [8 marks] Convert the hexadecimal number 6C5Ah and ABCDEh to both binary (2 marks each) and decimal (2 marks each).

c. [8 marks] Convert 50,005 and 10,999 into both a binary number (2 marks each) and a hexadecimal number (2 marks each).