Asked by Anonymous
A code is made up of two letters from the English alphabet followed by a twodigit number. How many codes are possible if
The letters and digits can be repeated in the same code?
The letters and digits can be repeated in the same code?
Answers
Answered by
oobleck
26 letters, 10 digits, so
26^2 * 10^2
26^2 * 10^2
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