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9. Subtract the following 8-bit unsigned binary numbers: (2 points) a) 10011101 b) 01010101 -00001111 - 00101010 Page 1 of 2 10. Add the following 8-bit signed magnitude numbers: (2 points) a) 10111000 +00010111 b) 01001011 + 10101001 11. Using the method of round to the nearest even, round the following to 3 decimal places: (2 points) a) .0101010111 b) .11110111