SOLUTION: find the 8th terms of the following series; 6.500 , 9.750 , 14.625 calculate rounding to the third decimal place, and show your workings

Question 1072565: find the 8th terms of the following series;
6.500 , 9.750 , 14.625
calculate rounding to the third decimal place, and show your workings
Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!
and
so this is a geometric sequence
with first term
and common ratio .
For a geometric sequence term number is

and the sum of the first terms is

In this case,

and
.
Rounding to the third decimal place,
and .
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