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kondor19780726 [428]
2 years ago
6

Indiana now has 8 different area codes. How many different phone numbers are available within Indiana if the numbers can repeat?

Remember that phone numbers have an area code followed by 7 digits.
Mathematics
1 answer:
Anna11 [10]2 years ago
4 0

Answer:

Well, this could turn out to be a simple permutation problem: you have ten number choices (0-9) for each digit of a phone number and repetitions are allowed. Technically, there could be as many as \begin{align*}10^{10} = 10,000,000,000\end{align*}, or 10 billion possible phone numbers.

Step-by-step explanation:

:D

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