Solve the problem.
-A classical music concert is to consist of 5 cello pieces, 3 choral works, and 2 pieces for piano. In how many ways can the program be arranged if a piano piece must come first?
A) 362,880
B) 725,760
C) $3,628,800$
D) 80,640

Question

Quizplus · Accepted Answer

There are 10 pieces in total. If a piano piece must come first, there are 2 choices for the first piece. The remaining 9 pieces can be arranged in 9! ways. So, the total number of arrangements is $2 \times 9! = 725,760$.

Solve the Problem 3,628,8003,628,8003,628,800 D) 80,640

Solve the Problem $3,628,800$ D) 80,640