Asked by rockrboiluvr
5!. i know the answer is 120, nbut what is th ! thanks in advance.
Answers
Answered by
Reiny
the ! is an operator called "factorial"
5! = 1 x 2 x 3 x 4 x 5
10! = 1 x 2 x 3 x .... x 9 x 10
etc
special case: 0! = 1
so n! is defined for n≥0 , n being a whole number
and is simply the product of consecutive whole numbers from 1 to n
5! = 1 x 2 x 3 x 4 x 5
10! = 1 x 2 x 3 x .... x 9 x 10
etc
special case: 0! = 1
so n! is defined for n≥0 , n being a whole number
and is simply the product of consecutive whole numbers from 1 to n
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