Question: A be sent from one location to another by running different colored flags up a flagpole, one above the other There are 15 different colored
A be sent from one location to another by running different colored flags up a flagpole, one above the other There are 15 different colored flags to choose from but only 4 flags will be flown Find the of different signals consisting of 4 if the first flag must be yellow the first is yellow then the number of different signals consisting of 4 flags is
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