Question

Question #2a444

Answer 1

`10,000`

Explanation:

Given: seven-digit local phone number with `817-` _ _

For each of the four digit numbers you can have a possibility of 10 different numbers: `0, 1, 2, 3, 4, 5, 6, 7, 8, 9`

`10 * 10* 10 * 10 = 10^4 = 10,000` different numbers