Suppose Kendra Gallegos has appointments with 12 potential customer. Kendra will be ecstatic if all 12 of these potential customers decide to make a purchase from her. Of course, in sales there are no guarantees. How many different sets of customers may place an order with Kendra?
A set of n distinct element has 2n subsets.
This set has 12 distinct elements.
The set containing 12 elements has 212 subsets.
212 = 4096
Therefore, the set has 4096 sunsets.