Please show all steps for the work. Thank you.

(5) (4 marks) Convert the following numbers between their octal format and hex decimal format. You need to show the groupings and the intermediate steps. (a) (673)8=(?)16 (b) (23FA9)16=(?)8 (6) (4 marks) Convert the following float-point numbers between their decimal format and binary format. You need to show the intermediate steps. (a) (35.375)10=(?)2 (b) (10110.0101)2=(?)10