Can you please help with the folowing questions?

1. 3 pts) Add the following 2's complement, 8-bit binary numbers. Express the answer in HEX and in decimal. Assuming that the machine doing the addition has a word size of bits, indicate whether 2's complement overflow has occurred or not for each addition. Hex result: Decimal result: Overflow? 01101010 + 01101110 Y or N (circle one) 2. (l pts) The 32-bit value xC2F64c00 would represent which of the following numbers if interpreted as an IEEE floating point numeral. Circle 17 -632 123.19 411.25 0.000000244 -123-21 32 128