In a different plan for area codes, the first digit could be any number from 0 through 3 the second digit was either 3 or 4, and the third digit could be any number except 3, 4, or 9. With this plan, how many different area codes are possible?
In a different plan for area codes, the first digit could be any number from 0 through 3 the second digit was either 3 or 4, and the third digit could be any number except 3, 4, or 9. With this plan, how many different area codes are possible?
Chapter8: Sequences, Series,and Probability
Section: Chapter Questions
Problem 16T
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In a different plan for area codes, the first digit could be any number from 0 through 3 the second digit was either 3 or 4, and the third digit could be any number except 3, 4, or 9. With this plan, how many different area codes are possible?
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