SOLUTION: Hello, Trying to help my son with maths. never did well at school. What is the sequence of 1, 2, 6, 24, 120, 720 and how and why Regards Martin

SOLUTION: Hello, Trying to help my son with maths. never did well at school. What is the sequence of 1, 2, 6, 24, 120, 720 and how and why Regards Martin

Algebra.Com

Question 224797: Hello,
Trying to help my son with maths. never did well at school.
What is the sequence of 1, 2, 6, 24, 120, 720 and how and why
Regards
Martin
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Those are factorials.
The last one, 6! (exclamation point is used for factorial) is
6! = 6*5*4*3*2*1

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