A 4-digit code is used to open a safe. The digits used are 0 through 9.

How many different possible codes are there?

Enter your answer as a number, like this: 42

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15 August, 10:52

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Blanche · Answer 1

There are 10,000 possible values the digits 0 and 9 can be arranged as a 4-digit number.

A 4-digit code is used to open a safe. The digits used are 0 through 9.How many different possible codes are there?Enter your answer as a number, like this: 42