for the first question, do you change two bin number into two 2 compliment(I got this wrong by doing this way) or you change one of the binary into two compliment? or do you add normally and then change that answer into 2s compliment?

for the second question it should have been 244, not 13?

Please evaluate a binary addition of two 10-digit binary numbers 0110011110 and 0100111000 with Two's Complement. The answer should be a decimal number. Answer: 470 x Please convert a 8 digit binary number 11110011 to a decimal number with Two's Complement Answer: 13 X