SOLUTION: For a five-digit zip code, the first four digits can be any of the digits 0-9 and the fifth any of the digits 1-8. For the plus zip code, the first three digits can be any of the d
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Question 855841: For a five-digit zip code, the first four digits can be any of the digits 0-9 and the fifth any of the digits 1-8. For the plus zip code, the first three digits can be any of the digits 0-9 and the fourth any of the digits 1-9. How many possible five- digit codes are there? How many possible plus four digit zip codes are there? Answer by ewatrrr(24785) (Show Source):
