A(3,5), B(5,-5), C(3,-5).
1 answer:
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Answer:
The singers can finish first through fifth in 360360 ways.
Step-by-step explanation:
The order of the singers is important, because they are ranked by positions. So we use the permutations formula to solve this question.
Permutations formula:
The number of possible permutations of x elements from a set of n elements is given by the following formula:
In this question:
Top five singers, from 15 finalists. So
The singers can finish first through fifth in 360360 ways.