Numeric System PU Answer the following questions. Make sure to show your work. 1. What is the binary number 1101 in decimal? 2. What is the decimal number 234 in binary? 3, Convert the hexadecimal number A3D18 into binary. 4. Add 81, and 63,p in binary. Confirm the binary answer by converting it back to decimal 5. Convert the binary number 0101010 into its 2's complement negative using the method invert the digits and add 1 6. Subtract 63, from 140 in decimal (14-63-?) Repeat in binary (Hint use 8-bit two's complement representation for binary numbers