SOLUTION: A firm wants to assign its employees ID numbers that have say x digits each. If the firm has 2000 employees, what is the smallest number of digits (that is, the smallest x) that th

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Question 423442: A firm wants to assign its employees ID numbers that have say x digits each. If the firm has 2000 employees, what is the smallest number of digits (that is, the smallest x) that the firm can use for each ID number? Assume that repetition of digits is permitted. (Hint: There must be enough ID's to go around!)

Answer by sudhanshu_kmr(1152) About Me  (Show Source):
You can put this solution on YOUR website!
here 2000 is a 4 digit number..


so, ID numbers must be at lest 4 digit numbers.