How many different arrangements of 55 letters can be formed if the first letter must be w or k (repeats of letters are allowed

Question

3 years ago

11

)?

1 answer:

defon · Answer 1 · 2022-02-19T20:30:10+03:00

defon3 years ago

3 0

If the remaining 4 letters can be anything, you have 2*26^4 = 913,952 possible 5-letter ham radio call signs.

How many different arrangements of 55 letters can be formed if the first letter must be w or k​ (repeats of letters are​ allowed