The telephone numbers in a small town either begin 373 or 377. How many telephone numbers are available?
A)10,000
B)20,000
C)30,000
D)40,000

Name: The telephone numbers in a small town either begin 373 or 377. How many telephone numbers are available? A)10,000 B)20,000 C)30,000 D)40,000
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Question

Quizplus · Accepted Answer

There are two choices for the first three digits (373 or 377) and ten choices for each of the remaining four digits (0-9). Therefore, the total number of telephone numbers is 2 x 10 x 10 x 10 x 10 = 20,000.

The Telephone Numbers in a Small Town Either Begin 373