1. Convert the following 2's complement binary numbers to decimal and hex (sign-extend if needed): (6 pts) a) 010011 b) 1110110 c) 10010101 2. Convert the following decimal numbers to 8-bit two's complement binary numbers using any method you like (show your work). If the decimal number cannot be represented with 8 bits, explain why and show work. (12 pts) a) +129 b) -55 c) -128 d) +127