Question: In a different plan for area codes, the first digit could be any number from 2 through 8, the second digit was either 6, 7,

In a different plan for area codes, the first digit could be any number from 2 through 8, the second digit was either 6, 7, or 8, and the third digit could be any number except 0 or 7 With this plan, how many different area codes are possible? There are possible area codes

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