A code is made up of 1 letter, out of a possible 26, in the first position. One digit, 0-9, occupies each of the second and third positions. The digit cannot be repeated. How many possible outcomes exist?

Question

Mathematics

Harry

2 February, 00:36

A code is made up of 1 letter, out of a possible 26, in the first position. One digit, 0-9, occupies each of the second and third positions. The digit cannot be repeated. How many possible outcomes exist?

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Cloud · Answer 1

26 possibilities for the first location,

10 possibilities for the next location,

9 possibilities for the last location (because we've used a number in the previous slot and we're not allowed to repeat it).

26 x 10 x 9