Since three bits can be used to represent numbers between 0 and 7, we could use three bits to store the size of most families. Three bits wouldn’t be sufficient to store the number of students in a typical discussion section as they run anywhere from 15 to 25 students and three bits can only store numbers from 0 to 7.

How many binary digits would we need to set aside in order to store the number of high school students taking CS105 across the nation (we have 220 high school students in total)?