Social Security numbers are of the formXYZ - MN - ABCD.The first three digits XYZ are referred toas the area number. The number isassociated with where you registered foryour social security card. X is a number 1- 7. Y and Z can be any number 0 - 9.Also the area number 666 has neverbeen used. How many area numbers arepossible?
How many area numbers are possible?
Area numbers are XYZ,
where X goes from 1 to 7, and Yand Z go from 0 to 9
additionally, 666 has never been used
There are 700 possible combinations, but if we exclude 666, now we have 699 possible combinations
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