radio stations 4 letter call signs beginning with K. How many call signs are possible if...

Question

Question

radio stations 4 letter call signs beginning with K. How many call signs are possible if letters can be repeated? Statistics problem

Answer 1

Answer #1

Total number of letters =4

First letter= K

Second letter can be selected in 26 ways

Third letter can be selected in 26 ways

Fourth letter can be selected in 26 ways

So,

Number of call signs are possible if letters can be repeated = 26³ = 17576

So,

Answer is:

17576

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Answer 2

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