or questions 3 - 4, circle the correct choice. Identify n and k, and substitute these into the correct formula. You do not need to simplify. 3. There are 100 people at a basketball game. 10 winners are chosen. Each winner wins an identical team T-shirt. To find the number of ways to choose the winners, you use (permutations/combinations). 4. There are 30 students in a club. The club chooses a president, vice president, and secretary. To find the number of ways to choose the officers, you use (permutations/combinations)