Question

Find the sum of the first 10 terms of the geometric sequence
2187, 729, 243, ...

Answer 1

How do I go about doing this

Answer 2

Try checking how you can get from 2187 to 729, then from 729 to 243. Hint : it's the same operation for both

Answer 3

in an arithmetic sequence you add or subtract something to get the next term
in a geometric sequence it is multiply or divide