Question

2. Find the sum te indicated number of terms in each of the geometric progressions :
to 0-15, 0-015.0-0015. ....20terms​

Answer 1

Answer:

put in in the formula S20 n/2 plus 2a (n -1)d

a equals to first term

n equals to number of terms

and d equals to common difference

hope you do the rest on your own

mark my answer as brainliest