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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 digits could it be?

Respuesta :

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

Answer:

500

Step-by-step explanation:

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