How many hours are in 2 days?

To determine how many hours are in 2 days, it is essential to know the number of hours contained within a single day. Each day consists of 24 hours. Therefore, to calculate the total hours in 2 days, one simply multiplies the number of hours in a single day by the number of days:

24 hours/day × 2 days = 48 hours.

This calculation indicates that there are 48 hours in a period of 2 days, confirming that the correct answer is indeed the option that states 48 hours. Understanding this basic unit of time measurement is crucial for various mathematical applications such as scheduling, calculating durations, and time management.