isaiah2017murra isaiah2017murra

15-06-2017
Mathematics

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A key code must contain 4 numerals. There are 10 numerals available. Using these numerals, how many different key codes may be created?

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pup123charlize pup123charlize

15-06-2017

about 68 different code combinations

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nova023 nova023

21-06-2017

the answer is 5,040 because order matters

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