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29 July, 20:37

when three-digit telephone area codes were first put in place in the united states and Canada, the first number could be any digit from 2 through 9, the second number could only be 0 to 1 and the third number could be any digit from 0 through 9. How many possible area codes can be created with this format?

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  1. 29 July, 20:41
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    919

    Step-by-step explanation:

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