Question

can someone give a real life example of exponential growth

Answer 1

Someone takes a penny and doubles it everyday for 30 days

Answer 2

Money in a compound interest account increases exponentially.
Compound Interest Calculator
http://www.1728.org/compint.htm

Compound Interest Formulas
http://www.1728.org/compint2.htm

Answer 3

Let's suppose $1,000 earns 8% interest per year.
The amount of money for each year equals:
Total = principal * (1+rate)^years
Total = $1,000 * (1.08)^years

Years Total
0 1,000.00
1 1,080.00
2 1,166.40
3 1,259.71
4 1,360.49
5 1,469.33
6 1,586.87
7 1,713.82
8 1,850.93
9 1,999.00
10 2,158.92