1! = 1: 1 factorial is equal to 1. The solved work for factorial of five provides more insight of how to find what is 1 factorial and where it is being used in real world problems or statistical experiments.
what is 1 factorial?
1! = (?)
The product of 1 and all the integers below it is the factorial of 1. 1! = (?)
1! = 1
1! = 1
1 is the factorial of 1
1! is the representation of 1 factorial,
The symbol ! in 1! is the representation factorial function,
1 is the factorial of 1.
Real World Usage of 1!
In the scientific analysis or real world experiments, 1! is used to find the total number of possible results or outcomes in the experiment having 1 objects, numbers, letters, words or symbols. It is mainly used to find the permutation and combinations in the statistical trials which involve 1 objects or events.