A seven digit telephone number is of the form ABC-DEFG. In one particular state, the
digit 'A' can be any digit except 8 and 9. The digits B and C can be any digit from 1 - 8.
The digits D, E, F, and G can be any digit 0 - 9 except they can't all be the same (e. g.
0000, 1111, 2222, ... etc.). How many seven digit phone numbers are possible with
these restrictions?
5,120,000
5,114,880
4,608,000
10,000,000
+2
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Home » Mathematics » A seven digit telephone number is of the form ABC-DEFG. In one particular state, the digit 'A' can be any digit except 8 and 9. The digits B and C can be any digit from 1 - 8.