Mathematics, 20.09.2020 04:01 thebigman7993
The 7-digit numbers in a given area code have the form ABC-, where B, C and X can be any digit 0-7 and A is restricted to 2-8. How many 7-digit numbers are possible in a single area code?
Answers: 1
The 7-digit numbers in a given area code have the form ABC-, where B, C and X can be any digit 0-7 a...
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