![SOLVED: The call letters for radio stations begin with K or W, followed by 2 additional letters. How many sets of call letters having 3 letters are possible? SOLVED: The call letters for radio stations begin with K or W, followed by 2 additional letters. How many sets of call letters having 3 letters are possible?](https://cdn.numerade.com/project-universal/previews/08229d4d-d92f-4f73-8090-cc858701a42e.gif)
SOLVED: The call letters for radio stations begin with K or W, followed by 2 additional letters. How many sets of call letters having 3 letters are possible?
![SOLVED: Radio stations that are on the west side of a nation have call letters consisting of a K followed by three letters (K can be used again). How many different call SOLVED: Radio stations that are on the west side of a nation have call letters consisting of a K followed by three letters (K can be used again). How many different call](https://cdn.numerade.com/ask_previews/804cc1f2-5517-4450-93a3-3a2acaf58e3c_large.jpg)
SOLVED: Radio stations that are on the west side of a nation have call letters consisting of a K followed by three letters (K can be used again). How many different call
![SOLVED: The call letters for radio stations begin with K or W, followed by 2 additional letters. How many sets of call letters having 3 letters are possible? SOLVED: The call letters for radio stations begin with K or W, followed by 2 additional letters. How many sets of call letters having 3 letters are possible?](https://cdn.numerade.com/ask_previews/7ffcd96b-1f39-4e7b-bdf4-57d141ecb470.gif)
SOLVED: The call letters for radio stations begin with K or W, followed by 2 additional letters. How many sets of call letters having 3 letters are possible?
![Amazon.fr - NIST Time and Frequency Radio Stations: WWV, WWVH, and WWVB - U.S. Department of Commerce - Livres Amazon.fr - NIST Time and Frequency Radio Stations: WWV, WWVH, and WWVB - U.S. Department of Commerce - Livres](https://m.media-amazon.com/images/I/61SR-AfXqnL._AC_UF1000,1000_QL80_.jpg)