SOLUTION: How many 5-digit ZIP codes are possible if the first number cannot be 0 and the last number cannot be 0 or 1?
64,000
100,000
90,000
72,000
Algebra.Com
Question 1036862: How many 5-digit ZIP codes are possible if the first number cannot be 0 and the last number cannot be 0 or 1?
64,000
100,000
90,000
72,000
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
5 positions, first position can only have 9 choices out of 10.
Last position can only have 8 choices out of 10.
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