3. In how many ways can you pick a 4 digit banking password if: (a) Repetition is not allowed (b) Digits can repeat?
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3. In how many ways can you pick a 4 digit banking password if:
(a) Repetition is not allowed
(b) Digits can repeat?
Step by step
Solved in 3 steps
- An Internet service provider requires its customer to select a password consisting of four letters followed by three digits. Find how many such passwords are possible in each of the following cases: a Repetition of letters and digits is allowed. b Repetition of letters and digits is not allowed.How many unique ways can a string of Christmas lights be arranged from 9 red, 10 green, 6 white, and 12 gold color bulbs?How many distinct ways can the word EVANESCENCE be arranged if the anagram must end with the letter E?
