1. Perform the arithmetic using binary notation. , 110111011 + 1001110010 1010100 10011 2. Find the 8-bit two's complements for the decimal integers. . 73 105 3. Find the decimal representations for the given binary integers with 8-bit representations . 10011101 . 10110010 4. Use 8-bit representations to compute the sums of the following. 95+-57)