calculate the amount a person would earn over a period of time if his or her salary were a penny the first day, two cents the second day, and so

Question

on doubling each day.

Day Pay
===============
1 0.01000
2 0.02000
3 0.04000
4 0.08000
5 0.16000
Your total pay is 0.310000

MY QUESTION: I am having trouble finding a math equation that will double the pay for each day. I fiqured out how to get the sum and list the days but I just can't find a math formlua that will calculate the pay so that it will double each day; please help.

Answer 1

pay = [$.01 * 2^(day)] - $.01