The expression 3C, represents the number of ways of:
a. choosing 2 items at a time from a set of 3. c. arranging, in order, 2 items from a set of 3.
b. choosing 3 items at a time from a set of 2. d. arranging, in order, 3 items from a set of 2.
Please select the best answer from the choices provided
ОА
OB
OC
OD