As the office manager for a medical office with ten doctors,you are responsible for developing the roster for the on-call shift for the next three nights.How many different ways could you assign a different doctor to each of the next three nights?

Question

Quizplus · Accepted Answer

For the first night, we can choose any of the ten doctors. 
For the second night, we can choose any of the remaining nine doctors. 
For the third night, we can choose any of the remaining eight doctors.

Therefore, the total number of ways to assign a different doctor to each of the next three nights is:

10 x 9 x 8 = 720.

Thus, the best choice is C).

As the Office Manager for a Medical Office with Ten