What are all the 4 digit combination possibilities?

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6. How many different passwords are possible with 4 digits?
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Tags

1. #codes
2. #popular
3. #digit
4. #through
5. #guessed
6. #dataset
7. #there
8. #possible
9. #those
10. #which
11. #million
12. #digits
13. #passwords
14. #represented
15. #alarming
16. #combinations