4. (4 points) Assume we are using a floating-point representation on 14-bits including a sign bit, 5 bits for the exponent with a bias of 15, and a normalized significant on 8 bits in the form 0.1xxx, where the 0. is implied. a. (2 points) Show how the number -73.625 is represented in this floating-point format. b. (2 points) What are the largest positive and the smallest positive numbers that can be stored in this format? Assume exponents of all zeros and all ones are allowed.