Question

The sum of n terms of the series 0.3+0.03+0.003+.........

Answer 1

Answer:

0.0003

Step-by-step explanation:

0.3/10+0.003/100+0.003/1000+0.0003/10000

Answer 2

Answer:

answer is:

Step-by-step explanation:

a=0.3

d=0.03-0.3

=-0.27

s n=n/2(2a+(n-1)d)

=n/2(0.6+(n-1)-0.27)

=n/2(0.6-0.27n+0.27)

=n/2(0.33-0.27n)

=0.33n-0.27n^2/2