Bunuel wrote:
How many options are there for license plate numbers if each license plate can include 2 digits and 3 letters (in that order), or 3 digits and 2 letters (in that order)? (Note: there are 26 letters in the alphabet)
A. 37×260^2
B. 36×260^2
C. 36×270^2
D. 10^2×26^3
E. 10^3×26^2
The number of ways to create the licence plate with 2 digits followed by 3 letters is 10^2 x 26^3.
The number of ways to create the licence plate with 3 digits followed by 2 letters is 10^3 x 26^2.
So we have:
10^2
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