Exponential growth and decay

1. 1.
   The number of app users starts at 5000 and grows by 20% each year. What is it after 3 years?
2. 2.
   The number of app users starts at 500 and grows by 25% each year. What is it after 2 years?
3. 3.
   A population of bacteria starts at 5000 and grows by 50% each year. What is it after 2 years?
4. 4.
   An investment of $1000 and grows by 10% each year. What is it after 2 years?
5. 5.
   A population of bacteria starts at 2000 and grows by 20% each year. What is it after 2 years?
6. 6.
   A population of bacteria starts at 200 and falls by 20% each year. What is it after 3 years?
7. 7.
   The number of app users starts at 2000 and grows by 20% each year. What is it after 3 years?
8. 8.
   An investment of $100 and falls by 10% each year. What is it after 2 years?
9. 9.
   An investment of $100 and grows by 25% each year. What is it after 2 years?
10. 10.
    A population of bacteria starts at 5000 and falls by 25% each year. What is it after 3 years?
11. 11.
    An investment of $5000 and grows by 50% each year. What is it after 2 years?
12. 12.
    An investment of $200 and grows by 5% each year. What is it after 3 years?
13. 13.
    The number of app users starts at 2000 and falls by 5% each year. What is it after 3 years?
14. 14.
    An investment of $5000 and falls by 5% each year. What is it after 2 years?
15. 15.
    The number of app users starts at 5000 and falls by 25% each year. What is it after 3 years?
16. 16.
    The number of app users starts at 500 and falls by 10% each year. What is it after 3 years?
17. 17.
    An investment of $500 and grows by 50% each year. What is it after 2 years?
18. 18.
    A population of bacteria starts at 100 and grows by 50% each year. What is it after 2 years?
19. 19.
    An investment of $2000 and grows by 10% each year. What is it after 3 years?
20. 20.
    The number of app users starts at 1000 and falls by 50% each year. What is it after 3 years?

Free maths worksheets and practice: rocketdigits.com/learn/exponential-growth-and-decay