That ! button on the
calculator doesn’t get much attention pre-A level, and here’s one more
reason why not – it’s not even useful for questions like this that
are all about ! !
The Problem :
10! means 1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 x 10 and has 2 zeros on the end.
Check this.With how many zeros does the number 100! end ?
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