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ID Cards One company’s ID cards consist of 5 letters
Chapter 4, Problem 41CQ(choose chapter or problem)
QUESTION:
ID Cards One company’s ID cards consist of 5 letters followed by 2 digits. How many cards can be made if repetitions are allowed? If repetitions are not allowed?
Questions & Answers
QUESTION:
ID Cards One company’s ID cards consist of 5 letters followed by 2 digits. How many cards can be made if repetitions are allowed? If repetitions are not allowed?
ANSWER:
Solution:
Step 1 of 2:
It is given that a company’s ID cards consists of 5 letters followed by 2 digits.
We need to find the number of cards possible if repetition of letters and digits are allowed.
Also, we need to find the number of ID cards if repetition is not allowed.