yo gona count? #ShoMinamotoProblems
Number Theory
Level
3
How many digits are in the decimal expansion of 25 x 25 x 25 x 25 x 25 x 25 x 25 x 25 x 32 x 32 x 32 x 32 x 50 x 50 x 50 x 50 x 50 x 50 x 50
32
30
31
29
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1 solution
5^16 x 2^20 x 5^14 x 2^7 = 5^3 x 10^27, now you can count