SOLUTION: The reading club has 7 members. In how many ways can the club choose a president and a secretary? And in how many ways can the club choose three members to attend a special progra

The answer to the first question is  7*6 = 42 ways.


Notice that in this case THE ORDER DOES MATTER, so we use the permutation formula.




The answer to the second question is   =  = 35.

Notice that in this case THE ORDER DOES NOT MATTER, so the combinations work in this case.