SOLUTION: In a different plan for area codes a number can be any digit from 1-7 the second number was either 4,5,6,7 and the third digit can be any number except 6-8.With this plan ho many d
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Question 1008695: In a different plan for area codes a number can be any digit from 1-7 the second number was either 4,5,6,7 and the third digit can be any number except 6-8.With this plan ho many different area codes are possible?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
In a different plan for area codes a number can be any digit from 1-7 the second number was either 4,5,6,7 and the third digit can be any number except 6-8.With this plan how many different area codes are possible?
1st digit:: 7 ways
2nd digit:: 4 ways
3rd digit:: 7 ways
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Ans: 7*4*7 = 196
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Cheers,
Stan H.
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