Part B

What is the magic number? $($Figure $2)$ Note that there is a figure also associated with this part. However, the figure for Part A may still be visible on the left. To view the figure associated with Part B$,$ click on the figure link. A new figure should appear on the left.

You could try to guess the magic number but you would probably use up all your tries before getting the answer. Notice the View Available Hint$($s$)$ link underneath the question statement for this part. Clicking this link will open up a list of clickable hints that will guide you to the correct number.

View Available Hint$($s$)$

magic number $=$