SOLUTION: A telephone number in another town can use any one of five different three-digit prefixes. How many different telephone numbers are possible in this town? The answer on the book

Algebra ->  Probability-and-statistics -> SOLUTION: A telephone number in another town can use any one of five different three-digit prefixes. How many different telephone numbers are possible in this town? The answer on the book      Log On


   

Question 951320: A telephone number in another town can use any one of five different three-digit prefixes. How many different telephone numbers are possible in this town?
The answer on the book says it is 50,000; but shouldn't it be 5,000?
Answer by macston(5194) About Me  (Show Source):
You can put this solution on YOUR website!
For each prefix numbers from 0000-9999 are 10000 (9999+1 for 0000)
10000*5 prefixes=50000