My decimal number was 110, or 1101110 in binary. 1101110+110101=10100011 156-177=-21 110*21=2310 2310--->906 2A=42 110/42=2R26

Number: 110 110/2=55 R: 0, 55/2=27 R:1, 27/2=13 R:1, 13/2=6 R: 1, 6/2=3 R:0, 3/2= 1 R:1, 1/2=0 R:1 Binary: 1101110 110/8=13 R: 6, 13/8=1 R: 5, 1/8=0 R:1 Octal: 156 110/16=6 R: E, 6/16=0 R: 6 Hexadecimal: 6E