Mathematics, 02.12.2021 19:30 HUNIXX6561

QUESTION 12 How many nine-digit ZIP code numbers are possible if the first digit cannot be a three and successive digits cannot be the same?
10^9 =1,000,000,000
9^9 =387,420,489
362,880
3,628,800

Answers: 3

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QUESTION 12 How many nine-digit ZIP code numbers are possible if the first digit cannot be a three...