The sum of the series `3+33+333+....+n` terms is

What is the sum of the series 0.3+0.33+0.333+....n terms?

Find the sum of the series 0.3+ 0.33 + 0.333+ ……to n terms

Find the sum to n terms of the series 3+33+333+… to n terms.

Find the sum to n terms 0.3+0.33+0.333+ ... n terms

Find the sum of the series : (i) 8+88+888+ ... to n terms (ii) 3+33+333+ ... to n terms (iii) 0.7+0.77+0.777+ ... to n terms

Find the sum of the series upto a n terms 2+3.3+4.3^2+5.3^3+...+ to n terms.

Find the sum of the series : 3,-4,(16)/(3),... to 2n terms.