Question

define subset of a set ,if a set a has 4 elements how many subsets does a has ?

Answer 1

Answer:

Including all four elements, there are 24 = 16 subsets.

Answer 2

Answer:

16

Step-by-step explanation:

Definition of a Subset :- A set "A" is said to be the subset of the set "B" if, every element of "A" is also an element of "B".

$number \: of \: elements \:... \: \\ = \: {2}^{n } \\ \: = {2}^{4 \: } \\ = 2 \times 2 \times 2 \times 2 \\ = 16$

Therefore, there are 16 subsets in a set "A"