SOLUTION: 1.How many positive four-digit integers can be formed if there are no restrictions? 2.Assume that a license plate consists of 3 letters followed by 3 digits (the first of which ca

Algebra ->  Probability-and-statistics -> SOLUTION: 1.How many positive four-digit integers can be formed if there are no restrictions? 2.Assume that a license plate consists of 3 letters followed by 3 digits (the first of which ca      Log On


   

Question 1070660: 1.How many positive four-digit integers can be formed if there are no restrictions?
2.Assume that a license plate consists of 3 letters followed by 3 digits (the first of which cannot be 0). How many such license plates can be made?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Each digit can range from 0-9, assuming leading zeros are acceptable (0000,0001,...),
N=10%2A10%2A10%2A10=10%5E4=10000
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N=26%2A26%2A26%2A9%2A10%2A10=15818400