Guest: If I give you one penny today, two pennies tomorrow, the next day 4, and so on, how may pennies will you have by in one year?
This is the sum of a geometric progression.
the progression is
1,2,4,8,16,
what is a?
what is r?
what is n?
what formula will you use.?
Do the calculation.
which of these steps is causing you a problem?
+118654 
