bigraysway bigraysway

14-06-2017
Mathematics

contestada

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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mnemonicjack mnemonicjack

14-06-2017

The answer is 156,000.

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adrielpuello adrielpuello

14-06-2017

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

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