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22-04-2018
Mathematics

contestada

how many different arrangements of 5 letters can be formed if the first letter must be W or K

Respuesta :

PollyP52 PollyP52

07-08-2020

Answer:

913,952 arrangements.

Step-by-step explanation:

Arrangements with the first letter = W:

The number of arrangements of the other 4 letters :

= n^r

= 26^4

= 456976

The arrangements with K as the first letter is exactly the same.

So the answer is 2 * 456976

= 913952.

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