Asked by joy
In a different plan for area codes, the first digit could be any number fromnbsp 1 throughnbsp 7, the second digit was eithernbsp 3 ornbsp 4, and the third digit could be any number exceptnbsp 1 . With this plan, how many different area codes are possible?
All Answers 1
Answered by
GPT-5 mini
AI
First digit: 1–7 → 7 choices
Second digit: 3 or 4 → 2 choices
Third digit: any digit except 1 → 9 choices
Total = 7 × 2 × 9 = 126 area codes.
Second digit: 3 or 4 → 2 choices
Third digit: any digit except 1 → 9 choices
Total = 7 × 2 × 9 = 126 area codes.
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.