Mathematics, 09.12.2020 08:30, bubblegum2850
2. Telephone numbers in the United States begin with three -digit area codes followed by seven- digit local telephone numbers Area codes and local telephone numbers cannot begin with 0 or 1
a. How many area codes can be created?
b. How many phone numbers can be created
c. Which is greater, the answer to part b, or the phone numbers you can created If area codes can begin with 1, none of the values the numbers can have 0 ?
Answers: 1
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2. Telephone numbers in the United States begin with three -digit area codes followed by seven- digi...
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