AMC 10 Step by Step
2014 AMC 10AProblem 25P21-25~8 minPrint

The number 58675^{867} is between 220132^{2013} and 220142^{2014} . How many pairs of integers (m,n)(m,n) are there such that 1m20121\leq m\leq 2012 and 5n<2m<2m+2<5n+1?5^n<2^m<2^{m+2}<5^{n+1}?

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Problem © Mathematical Association of America (MAA), American Mathematics Competitions. Reproduced for non-commercial educational use. Solution and commentary are original to this site.