Solve the Problem $P ( n ) = n ^ { 3 } - 3 n ^ { 2 } + 2 n$

question 61

Multiple Choice

Solve the problem.
-The number of ways that the first-, second-, and third-place winners in a singing competition can be selected from n finalists is given by $P ( n ) = n ^ { 3 } - 3 n ^ { 2 } + 2 n$ . If there are6 finalists, how many ways can the first-, second-,
And third-place winners be selected?

• A)120
• B)720
• C)20
• D)216