2. (20 pts) Perform the following (subtraction) operation (Need to show all steps): (1 - 11) 10 Using signed binary, 8-bit 2's complement arithmetic. 3. (40 pts) 32-bit FPN (IEEE 754) to decimal and back (Need to show all steps) (a) Convert the following 32-bit FPN (IEEE 754) to decimal number: 1 10000000 11001000000000000000000 (b) Convert the following decimal number to 32-bit FPN (IEEE 754) number: (-3.125)10