Q. How many subsets of a set with 100 elements have more than one element?
Is my answer correct?
Ans. 2^100 total subset, minus 101 subsets which are 100 subsets with 1 element and 1 element which is null.
Hello, robocop_911!
How many subsets of a set with 100 elements have more than one element?
Is my answer correct?
Ans: .$\displaystyle 2^{100}$ total subsets,
. . . . minus 100 subsets which have 1 element, and the null set.
$\displaystyle 2^{100} - 101\quad\hdots$ Correct!