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To: Lonesome in Massachussets

How many trailing zeros in 40000005!

40000005! = 40000005 x 40000004 x 40000003 x ... 2 x 1

10! = 3628800, two trailing zeros

16! = 20922789888000, three trailing zeros

Hint: You do not have to multiply to get the answer.


11 posted on 12/06/2011 12:40:06 PM PST by Lonesome in Massachussets (Ceterum autem censeo, Obama delenda est.)
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To: Lonesome in Massachussets

None?


20 posted on 12/06/2011 1:54:43 PM PST by Bigh4u2 (Denial is the first requirement to be a liberal)
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