Twenty workers are to be assigned to 20 different jobs, one to each job. How many different assignments are possible?

Twenty workers are to be assigned to 20 different jobs, one to each job. How many different assignments are possible?


J
Asked by 3 years ago
240 points

Twenty workers are to be assigned to 20 different jobs, one to each job. How many different assignments are possible?

Twenty workers
jeffp

1 Answer

Answered by 3 years ago
8.7k points

There are 20 choices for the first job, 19 choices for the second job, and so on....

$$20!=2432902008176640000$$

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Views: 46
Asked: 3 years ago

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