Ten digit telephone number has a form (XYZ) - ABC-DEFG. In the particular state there are 4 possible area codes (404, 470, 678,

Question

2 years ago

6

Ten digit telephone number has a form (XYZ) - ABC-DEFG. In the particular state there are 4 possible area codes (404, 470, 678,

and 770). The digit A is restricted to a number 2 through 7. The digits B, C, and D can be any number but they cannot repeat. E,F, G have no restrictions. How many phone numbers are possible with these restrictions?

Mathematics

1 answer:

mars1129 [50] · Answer 1 · 2022-09-07T10:43:29+03:00

mars1129 [50]2 years ago

6 0

Answer:

im not sure but i rember having this question i think its 770

Step-by-step explanation: