*** Please write and big and clear. Please help with all 3 questions. Thank you. ***

11 Express the following binary fractions in normalized floating-point form using the simple model with excess-15 bias: ( 6 pts) 1) 1.25 2) 0.75 3) 26.625 12 Add the following numbers using the simple model with a bias of 15. (4 pts) 1) 1.25+0.75 2) 0.75+26.625 13 Multiply the following numbers using the simple model with a bias of 15. (4 pts) 1) 1.250.75 2) 26.6250.75