A telephone number consists of seven digits, the first three representing the exchange.?

Question:How many different telephone numbers are possible within the 537 exchange?

Answers:
10,000, I guess.


0000
0001
.
9999
10,000
Do you want to see the work?
The numbers that are possible from the 537 exchange are 357,375,537,573,735,753.
Less than 100

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