Math questions from any Manhattan Prep GMAT Computer Adaptive Test.
backha
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Nbr consequtive zeros in 60! in MGMAT CAT

by backha Fri Mar 04, 2011 5:46 pm

If 60! is written out as an integer, with how many consecutive 0’s will that integer end?

the answer is: 14.

But 60! = 8.32098711 × 10^81 according to google, so how does it become 14 trailing zeros?
tim
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Re: Nbr consequtive zeros in 60! in MGMAT CAT

by tim Fri Mar 04, 2011 9:42 pm

because Google rounded off. this is why you cannot just rely on a computational aid to do the thinking for you..
Tim Sanders
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