Posted by Rocio on Friday, February 17, 2017 at 2:45am.
If radio station call letters must begin with either K or W and must include either two or three additionalâ€‹ letters, how many different possibilities areâ€‹ there?

Stat  Steve, Friday, February 17, 2017 at 5:07am
2(26^2 + 26^3) = ?
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