What is the equivalent of 10 min. 52 sec. in arc units?

Correct Answer: Option C — 2°43'

Using the standard conversion rate of 15 degrees of arc per hour of time (or 15 arcminutes per minute of time), 10 minutes yields 2.5 degrees (150') and 52 seconds yields 13 arcminutes, totaling 2 degrees 43 minutes.