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nexus9112 [7]
3 years ago
5

Alan has forgotten his 4-digit PIN code. He knows the second digit is even, and last digit is 7. How many different sets of 4 di

gits could it be?
Mathematics
1 answer:
Korolek [52]3 years ago
3 0
I’m not positive but I think you would go 9x9x4 because it could be 1-9 for the first and third and 2,4,6 or 8 for the second
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