(a) If passwords must consist of eight letters followed by two digits, determine the total number of possible distinct passwords. (b) If passwords must consist of eight non-repetitive letters followed by two digits, determine the total number of possible distinct passwords.
(a) If passwords must consist of eight letters followed by two digits, determine the total number of possible distinct passwords. (b) If passwords must consist of eight non-repetitive letters followed by two digits, determine the total number of possible distinct passwords.
Chapter9: Sequences, Probability And Counting Theory
Section: Chapter Questions
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Transcribed Image Text:A certain website requires users to log on using a security password.
(a) If passwords must consist of eight letters followed by two digits, determine the total number of possible distinct passwords.
(b) If passwords must consist of eight non-repetitive letters followed by two digits, determine the total number of possible distinct passwords.
(a) Using eight letters followed by two digits, how many passwords are possible? Choose the correct answer below.
OA. 19,275,223,968,000
OB. 6,299,092,800,000
OC. 20,882,706,457,600
OD. 208,827,064,576,000
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