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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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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

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