A.(0110110.101)BCD B.(0011110.1110)BCD C.(00110110.0111)BCD D.(110110.111)BCD
A.(1101011.001)2 B.(01101011.01)2 C.(11101011.01)2 D.(01100111.01)2
A.101101111 B.10111001 C.101101110 D.111101110