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how many phone numbers are possible for the form ABC-XXXX? A is restricted to numbers 3-9 B,C and x can be any digit 1-9.
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how many phone numbers are possible for the form ABC-XXXX? A is restricted to numbers 3-9 B,C and x can be any digit 1-9.

User Burtek
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2 Answers

2 votes

Answer:

??????????????????????????????????????????????????????????????????????????????????????????????

Explanation:

THis is a old quest5ion

User Thorben Janssen
by
6.9k points
1 vote
i have no idea but i have a friend ill send over that is good at this stuff
User Matt Wonlaw
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7.1k points
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