what does the ! mean

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Guest Sep 16, 2014

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The ! symbol indicates a factorial. It is placed after a number, for example 5! (which you say as five factorial)

This means 5*4*3*2*1.

7! means 7*6*5*4*3*2*1

etc.

Alan Sep 16, 2014

Alan · Answer 1 · 2014-09-16T05:37:58

The ! symbol indicates a factorial. It is placed after a number, for example 5! (which you say as five factorial)

This means 5*4*3*2*1.

7! means 7*6*5*4*3*2*1

etc.