# Revision history of "2008 Mock ARML 2 Problems/Problem 7"

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• (cur | prev) 06:45, 28 August 20111=2 (talk | contribs). . (1,892 bytes) (+1,892). . (Created page with "==Problem== Let $f(x)$ equal the number of zeroes to the right of the rightmost non-zero digit in the decimal form of $x!$, and let [itex]n = \frac {5^{2008...")