Question

how many sunsets are possible if a set contains 7 elements​

Answer 1

Answer:

For each element, there are 2 possibilities. Multiplying these together we get 27 or 128 subsets. For generalisation the total number of subsets of a set containing n elements is 2 to the power n

Answer 2

Answer:

128 subsets

Step-by-step explanation:

For each subset it can either contain or not contain an element. For each element, there are 2 possibilities. Multiplying these together we get 27 or 128 subsets.