math

what is the value of 8 in the largest even number using the nine-digit number without repeating?

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  1. largest 9 digit number without repeating:
    - must have 9 digits
    999999999
    - must use different digits
    - zero excluded (to have the largest number)
    - must be in reverse order starting from 9
    987654321
    - must be even, so invert last two digits
    Say
    987654321
    987 654 312
    So what is the value of 8 in this number?

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