Ask your own question, for FREE!
Mathematics 14 Online
OpenStudy (anonymous):

assume that a password to log on to a computer is 3 letters followed by 2 digits. Determine the number of possible passwords in case that repetation is permitted, and in case it's not primmitted

OpenStudy (dumbcow):

with repetition: each letter has 26 possibilities each digit has 10 possibilities =26*26*26*10*10 without repetition: first letter 26 2nd letter now only 25 3rd letter only 24 1st digit has 10 choices 2nd digit only 9 =26*25*24*10*9

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!