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OpenStudy (x3_drummerchick):
Radio station call letters consist of 4 letters. The first letter is required to be K or W, the rest can be any letter of the alphabet. How many call letters are possible?
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OpenStudy (x3_drummerchick):
would it be 25*24*23*22?
OpenStudy (x3_drummerchick):
because we're assuming that the letter k or w is already picked?
OpenStudy (aum):
1st letter: 2 possibilities (K or W) 2nd letter: 26 possibilities (A - Z) 3rd letter: 26 possibilities (A - Z) 4th letter: 26 possibilities (A - Z)
OpenStudy (x3_drummerchick):
oh okay, so would it be 2 x 26 x 26 x 26?
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