zezima

This page lists questions and answers that were posted by visitors named zezima.

Questions

The following questions were asked by visitors named zezima.

Answers

The following answers were posted by visitors named zezima.

use the formula sn=(a1)(1-r^n)/(1-r). a1=30 r=0.60 n=10 Viola :)

this question seems quite hard lol hmmm :0