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15 October, 05:43

In a different plan for area codes, the first digit could be any number from 0 throughnbsp 5 , the second digit was either 6, 7, 8 , and the third digit could be any number except bsp 3nbsp bsp or 4. With this plan, how many different area codes are possible?

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  1. 15 October, 07:11
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    There are 144 different area codes possible

    Step-by-step explanation:

    To solve this problem, we need to know how many possibilities are for each number, and them multiply them:

    For the first digit, there are 6 possibilities (0,1,2,3,4,5);

    For the second digit, there are 3 possibilities (6,7,8);

    For the third digit, there are 8 possibilities (0,1,2,5,6,7,8,9).

    So, the number of different area codes are 6*3*8 = 144
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