Question

a set of 4elements the total number of subjects is​

Answer 1

Answer:

mark as brainlist

Step-by-step explanation:

Including all four elements, there are 24 = 16 subsets. 15 of those subsets are proper, 1 subset, namely {a,b,c,d}, is not. In general, if you have n elements in your set, then there are 2n subsets and 2n − 1 proper subsets.

Answer 2

Answer:

.

Step-by-step explanation:

2n-1..................