Math, asked by cm442, 3 months ago

How many different 4-letter radio station call letters can be made if
(a)the first letter must be A and repeats are allowed
(b)the first letter is K or W, there are no repeats, and the last letter is R

Answers

Answered by mrlegendrohit

2

Answer:

(a)the first letter must be A and repeats are allowed

please mark me a Brilliant

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