300
Ten band directors at a summer band camp are planning to give a performance. One of the pieces they want to play calls for a Flute, an oboe, a bassoon, and a clarinet. Each of the band directors can play all four instruments. What formula would you choose to determine the number of ways to select the band directors and why?
Combination - because it doesn't matter the order that you choose because all of the directors can play all of the instruments