Ask Question
27 November, 08:22

Before 1995, three-digit area codes for the united states had the following restrictions:

(a) neither 0 nor 1 could be used as the first digit.

(b) 0 or 1 had to be used for the second digit.

(c) there were no restrictions on the third digit.

How many different area codes were possible?

+2
Answers (1)
  1. 27 November, 10:24
    0
    8C1*2C1*9C1

    and the answer is 160
Know the Answer?
Not Sure About the Answer?
Get an answer to your question ✅ “Before 1995, three-digit area codes for the united states had the following restrictions: (a) neither 0 nor 1 could be used as the first ...” in 📙 Mathematics if there is no answer or all answers are wrong, use a search bar and try to find the answer among similar questions.
Search for Other Answers