Homework Help: math

Posted by Ellen on Sunday, June 3, 2012 at 8:48pm.

The call letter of a radio station must have 4 letters.The first letter must be a K or a W. How many different station call letters can be made if repetitions are not allowed? *(If repetitions are allowed?)*

*Important

math - Ms. Sue, Sunday, June 3, 2012 at 8:51pm
If you want to mooch an answer -- you're out of luck!

You've already received two answers trying to help you.

http://www.jiskha.com/display.cgi?id=1338769718
math - Ellen, Sunday, June 3, 2012 at 8:53pm
thank you for your help

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