Mathematics, 26.10.2021 01:00, lcyaire

Given the following 10-digit phone number NYZ-ABC-, where NYZ represent the area codes, ABC represent the exchange codes and represent the station
codes, How many possible 10-digit phone numbers are available with the following
restrictions:
.
.
the Area Code is 817
A cannot be o
• Band C cannot be 1
X can be any digit 0-9
.

Answers: 2

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Given the following 10-digit phone number NYZ-ABC-, where NYZ represent the area codes, ABC repres...