0 0 votes The sum of the first $n$ terms in the sequence $\text{8, 88, 888, 8888,$\dots$}$ is __________. $\frac{81}{80}(10^n-1)+\frac{9}{8}n$ $\frac{81}{80}(10^n-1)-\frac{9}{8}n$ $\frac{80}{81}(10^n-1)+\frac{8}{9}n$ $\frac{80}{81}(10^n-1)-\frac{8}{9}n$ Quantitative Aptitude gate2020-in numerical-ability arithmetic-series + – soujanyareddy13 2.7k points answer 0 reply
