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a security code consists of 2 digits (0-9) and a digit can be used more than once.how many possible security codes are there
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a security code consists of 2 digits (0-9) and a digit can be used more than once.how many possible security codes are there

User Christinabo
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2 Answers

4 votes
i think there are 100 possible codes 
User CMW
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6.3k points
4 votes
20.. Hope this helps! Let me know if you need explanation
User Levite
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