# Liberal Arts Math

posted by
**Dawn** on
.

Find the indicated value:

a. 4C2

b. List all of the permutations of {a,b,c,d} when the elements are taken two at a time.

posted by
**Dawn** on
.

Find the indicated value:

a. 4C2

b. List all of the permutations of {a,b,c,d} when the elements are taken two at a time.