3. Perform the following base conversions using subtraction or division-remainder: a) 13710= 3 b) 24810= c) 38710=7 d) 63310= 9 6. Perform the following base conversions. a) 212003= 10 b) 32445= 10 c) 34027= 10 d) 76579= 10 34. Subtract the following signed binary numbers as shown using 2's complement arithmetic. a) 0111010100111011 b) 00110101 c) 01101111 00001011 00010001