SOLUTION: A company ID card contains 7 digits, such as 92-71-042. How many different ID numbers can be formed?

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Question 631819: A company ID card contains 7 digits, such as 92-71-042. How many different ID numbers can be formed?
Answer by Alan3354(69443) About Me  (Show Source):
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A company ID card contains 7 digits, such as 92-71-042. How many different ID numbers can be formed?
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If all combinations are allowed, such as 00-00-000, it's 10^7
= 10 million.