How-many-zeroes-are-there-in-99-

Question Number 152536 by Tawa11 last updated on 29/Aug/21

How many zeroes are there in 99!

Commented by MATHkingElsenK last updated on 29/Aug/21

99 / 5 = 19

19 / 5 = 3

19 + 3 = 22

Commented by Tawa11 last updated on 29/Aug/21

God bless you sir . Thanks .

Answered by mr W last updated on 29/Aug/21

10 = 2 \times 5

⌊ \frac{99}{5} ⌋ + ⌊ \frac{99}{5^{2}} ⌋ = 19 + 3 = 22

Commented by Tawa11 last updated on 29/Aug/21

Thanks sir . God bless you sir .

But sir, what of the zeroes between numbers .

Commented by Tawa11 last updated on 29/Aug/21

Commented by mr W last updated on 29/Aug/21

i {d o n}^{'} t t h i n k w e c a n g e t t h e n u m b e r o f

a l l z e r o s i n n! .

Commented by Tawa11 last updated on 29/Aug/21

Alright sir . Thanks . God bless you .

Commented by Tawa11 last updated on 29/Aug/21

That means we can only get the tailing zeroes

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