Please explain in great details. Don't skip intermediate steps. I am trying to really understand this. Thank you The 2's are supposed to be subscripts.

3) Convert the following integers: (a) Convert (1 1101)2 to its decimal expansion Answer: (11 101 )2 = Show your work: (b) Convert (2AC)16 to its decimal expansion Answer: (2AC) 16 = Show your work: (c) Convert (100 1100 001 1)2 to its hexadecimal expansion Answer: (100 1100 0011)2 Show your work: (d) Convert (10 1011)2 to its octal expansion Answer: (10 1011)2 Show your work