Bunuel wrote:
Bill is planning to watch some of his 5 favorite movies this weekend. If Bill only has time to watch 4 and hasn't decided if he will watch any of the movies more than once, then how many different schedules of movies can he create?
A. 3125
B. 625
C. 120
D. 20
E. 5
Since Bill has the option to watch each movie more than once, he can watch the movies in 5^4 = 625 ways.
Alternate Solution:
Bill is choosing 4 movies to watch from 5 available. Repeats are allowed. Bill can select the first movie
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