fifty-five

55 fiveBest 55+ Communities in the United States. Sun City Summerlin – Las Vegas, NV. Starting off our list is Sun City Summerlin, a large 55+ community in Las Vegas, e$5+55+555+5555+55555+cdots n$ terms, Sum of finite seqence of this pattern can be obtained by re-arranging this into geometric sequence. $5$ should be taken common