SOLUTION: 5. How many phone numbers are possible in the 952 area code?
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Question 646858
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5. How many phone numbers are possible in the 952 area code?
Answer by
dfrazzetto(283)
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Repeats are allowed (eg: 952-555-5555)
So:
digits 0 - 9 allowed, 10 possible digits in each slot, w/ 7 slots available:
N = 952 _ _ _ - _ _ _ _ = 10x10x10x10x10x10x10 = 10^7 = 10,000,000 possible numbers