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First Digit Four (Posted on 2009-08-08) Difficulty: 2 of 5
Determine the total number of base ten positive integers having the form 2N with the first digit (from the left) being 4, where N is a positive integer < 333.

See The Solution Submitted by K Sengupta    
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  Subject Author Date
re: statisticsCharlie2009-08-08 15:41:29
SolutionstatisticsCharlie2009-08-08 15:36:41
mathematica solutionDaniel2009-08-08 12:40:02
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