Question

what is Factorial ?
Give example
$....$
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Answer 1

Answer:

What is a Factorial?

Factorials (!) are products of every whole number from 1 to n.

For example:

If n is 3, then 3! is 3 x 2 x 1 = 6.

If n is 5, then 5! is 5 x 4 x 3 x 2 x 1 = 120.

It’s a shorthand way of writing numbers. For example, instead of writing 479001600, you could write 12! instead (which is 12 x 11 x 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1)

Step-by-step explanation:

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