Posted by **chandice** on Sunday, September 6, 2009 at 9:41pm.

A ship carries exactly 10 different signal flags. If each

possible combination and ordering of 4 of these flags

connotes a specific message, how many signals can be

sent with these flags, taken 4 at a time?

- math -
**bobpursley**, Sunday, September 6, 2009 at 10:13pm
10*9*8*7

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