Let (d sub k) from k=1 to inf be a sequence of digits. Then Summation from j=1 to inf { (d sub j) * (10^-j) } converges. Any idea on how to complete this proof? Any help is appreciated!
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Originally Posted by jstarks44444 Let (d sub k) from k=1 to inf be a sequence of digits. So Then Summation from j=1 to inf { (d sub j) * (10^-j) } converges. Then converges Any idea on how to complete this proof? Any help is appreciated! The series is an infinite positive one, so why don't you try to bound it up from above...say, by a converging geometric series...? Tonio
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