In the following situation, determine whether you are asked to determine the number of permutations or combinations. Then do the
calculation. How many ways are there to pick a subset of 3 different letters from the 26-letter alphabet?
a.
Combination; Subscript 23 Baseline C Subscript 3 Baseline = 1771
b.
Permutation; Subscript 23 Baseline P Subscript 3 Baseline = 10626
c.
Permutation; Subscript 26 Baseline P Subscript 3 Baseline = 15600
d.
Combination; Subscript 26 Baseline C Subscript 3 Baseline = 2600
