30.3k views
1 vote
In a different plan for area​ codes, the first digit could be any number from 4 through 7​, the second digit was either 2, 3, or 4​, and the third digit could be any number except 0 . With this​ plan, how many different area codes are​ possible?

User Robynne
by
8.0k points

1 Answer

5 votes
1st digit:: 3ways
2nd digit:: 3ways
3rd digit:: 9 ways

3x3x9=81

So the answer is 81 different possible area codes.
User MobyDX
by
8.1k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories