A secret code must consist of three capital letters followed by a digit. Letters cannot be repeated. How many secret codes are possible?

Question

Mathematics

Megan Clements

4 July, 03:00

A secret code must consist of three capital letters followed by a digit. Letters cannot be repeated. How many secret codes are possible?

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Answers (2)

Know the Answer?

Jazmine Bauer · Answer 1

The answer is 156,000.

Jamir Stafford · Answer 2

There are 36 values (26 letters of the alphabet + all numbers 0-9) and four digits. If there are only 10 values and four digits there are 10,000 combinations. So multiple the value of that by 3.6 and you get your answer. 36,000