Ask your own question, for FREE!
Discrete Math 17 Online
OpenStudy (anonymous):

The following problem refers to strings in A, B, ..., Z. How many four-letter strings are there that begin with J ?

OpenStudy (anonymous):

25^4

OpenStudy (anonymous):

The reason why is because you can use any other letter than j so , since there are 26 letters initially you simply just subtract by 1 and you are left with 25 possible letters to use.

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!