Find the number of elements in the power set of {1,2}  Choose the correct answer
A) 4	B) 0	C) 2	D) 3	E) 5
Power set is the set of subsets of {1,2}   That is { {1,2}, {1}, {2}, f}   4NSWER:4
<result>A</result>
Find the number of elements in the power set of {1,2}