Permutations and fundamental counting principles

Question

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671

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how many license plate numbers consisting of two letters followed by four digits are possible when repetition of numbers and letters is allowed

Guest May 9, 2014

+130511

+5

Best Answer

We have 26 ways to choose each letter and 10 possibilities for each digit.

So we have, 26 x 26 x 10 x 10 x 10 x 10 =

26² x 10⁴ = 6,760,000

CPhill May 9, 2014

CPhill · Answer 1 · 2014-05-09T11:45:36

We have 26 ways to choose each letter and 10 possibilities for each digit.

So we have, 26 x 26 x 10 x 10 x 10 x 10 =

26² x 10⁴ = 6,760,000