A. US phone numbers traditionally do not start with a zero or a one, otherwise there are no other restrictions, so how many 7 digit phone numbers are possible?
B. Some cities have now required you to dial area codes first. For example in Chicago we either dial 773 or 312, so now how many possible Chicago Phone numbers are there?
C. Why have cities and suburbs have added on these area codes in recent years?
Answers (1)
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “A. US phone numbers traditionally do not start with a zero or a one, otherwise there are no other restrictions, so how many 7 digit phone ...” in 📗 Mathematics if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers
You Might be Interested in
How many ways can 11 pairs of shoes be arranged?
Answers (2)
A common formula to convert a Fahrenheit temperature (F) to a Celsius temperature (C) is C = 5 9 (F - 32) Solve the temperature for F in terms of C. Show your work.
Answers (1)
What is 35 cents times 500
Answers (2)
Ryan made a $300 down payment on a car. The total cost of the car was $7500. He made 36 equal monthly payments to pay the car in full. How much did Ryan pay per month?
Answers (1)
Can 9+10 really equal 21 explain and show your work
Answers (1)
New Questions in Mathematics
Where does the line y = 4x + 1 intersect the y-axis (the y-intercept) ?
Answers (1)
Abby is making tie-dyed shirts. Each shirt costs $3.95 and the dye for each shirt costs $0.50. She also needs to buy boxes of salt for $9.00. If she has $124.70 to start with, then how many tie-dyed shirts can she make?
Answers (1)
In a sample of 800 adults, 214 think that most celebrities are good role models. Two us adults are selected from this sample without replacement. find the probability that both adults think most celebrities are good role models
Answers (1)
Complete this activity. Mr. Home buys two quarts of ice cream, one carton of soda, and three sacks of cookies for a Sunday School party. The respective unit prices are 60, 70, and 45 for each unit. On his way home Mr.
Answers (1)
The school you want to go to has an acceptance rate of 15%. That means that 15% of the students who apply to the school get in. The school took 1800 students last year. How many students applied?
Answers (1)