Mathematics, 12.02.2021 08:50, bookworm43
Ten digit telephone number has a form (XYZ) - ABC-DEFG. In the particular state there are 4 possible area codes (404, 470, 678, and 607). The digit A is restricted to a number 2 through 8. The digits B and C can be any number but they cannot repeat. D, E,F, G have no restrictions. How many phone numbers are possible with these restrictions?
Answers: 2
Mathematics, 21.06.2019 22:50, alisonlebron15
What is the ordered pair of m’ after point m (5, 6) is rotated 90° counterclockwise?
Answers: 2
Ten digit telephone number has a form (XYZ) - ABC-DEFG. In the particular state there are 4 possible...
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