Please show clear workings, and correct answers.

9) Assuming that you are required to make an 8 bit floating point representation, with a 3 bit exponent using excess-3 notation and a 4 bit mantissa using normalized notation a) How would the number 0.5 be stored in the byte? b) What is the number that its binary representation is 11101010? 10) Assuming that you are required to make an 8 bit floating point representation, with a 3 bit exponent using excess-3 notation and a 4 bit mantissa using normalized notation. What is smallest positive number that can be stored? What is the smallest number that can be stored