Current rules for telephone area codes allow the use of digits 2 9 for the...
60.1K
Verified Solution
Link Copied!
Question
Basic Math
Current rules for telephone area codes allow the use of digits 2 9 for the first digit and 0 9 for the second and third digits but the last two digits cannot both be 1 to avoid confusion with area codes such as 911 How many different area codes are possible with these rules That same rule applies to the exchange numbers which are the three digits immediately preceding the last four digits of a phone number Given both of those rules how many 10 digit phone numbers are possible Given that these rules apply to the United States and Canada and a few islands are there enough possible phone numbers Assume that the combined population is about 400 000 000 How many possible area codes are there Type a whole number
Answer & Explanation
Solved by verified expert
Get Answers to Unlimited Questions
Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!
Membership Benefits:
Unlimited Question Access with detailed Answers
Zin AI - 3 Million Words
10 Dall-E 3 Images
20 Plot Generations
Conversation with Dialogue Memory
No Ads, Ever!
Access to Our Best AI Platform: Zin AI - Your personal assistant for all your inquiries!
