Exponential Growth (Grades 11-12)
Print Test
(Only the test content will print)
Name: | Date: |
---|
Exponential Growth
1.
The number of mice in a family triples every 20 days. If a family starts with 13 mice how many mice will there be after 90 days?
- 670
- 190
- 1900
- 1824
2.
A bacteria colony covers [math]5 \ "cm"^2[/math] and grows exponentially. After 4 days it covers [math]80 \ "cm"^2[/math]. How much area will it cover after 2 weeks?
- [math]8.2 \ "m"^2[/math]
- [math]4300 \ "cm"^2[/math]
- [math]4.3 \ "m"^2[/math]
- [math]1393 \ "cm"^2[/math]
3.
Travis gets a job which pays $22.50/h. Samantha gets a job that starts at $0.01/h and doubles every day. How long will it take before Samantha makes more per hour than Travis?
- 12 hours
- 12 days
- Samantha will never make more than Travis
- 6 months
4.
100 years ago a town had 3,000 citizens. If the population doubles every 15 years, what is the population of the town now?
- 8,743
- 205,104
- 304,781
- 253,544
5.
Jamal is offered 2 investment plans. Plan A doubles the investment every 12 years. Plan B triples the investment every 20 years. If Jamal wants to withdraw his investment in 60 years, which plan should he choose?
- Plan A
- Plan B
- They are both the same
- Not enough information
6.
A town begins with 100 people and after 100 years has a population of 3200. The population has
- doubled every 25 years.
- quadruped every 30 years.
- tripled every 10 years.
- doubled every 20 years.
7.
A bacteria colony begins with a mass of 15 grams. The bacteria triples every 16 hours. How long will it take to grow to a mass of 82 kilograms?
- 6 days 3 hours
- 5 days 5 hours
- 4 days 16 hours
- 128 days
8.
A store relies on word of mouth advertising so it brings in 30 potential customers and gives them $100 gift cards if they will each tell 5 friends within a week. If each of those people tell 5 more friends within a week and the pattern continues, how many people will hear about the store after 10 weeks?
- 488,281,250
- 624,431,250
- 292,968,750
- 128,281,250
9.
A family of rabbits begins with 4 rabbits and doubles every 60 days. How many rabbits will there be in the family after 1 year?
- 4096
- 16384
- 205
- 271
10.
Moore's Law states that the number of transistors on an integrated circuit doubles every 2 years. In 1995 the latest processor had 9.3 million transistors. If Moore's Law is correct, how many transistors will be on a processor by the year 2025?
- 305 trillion
- 1300 million
- 305 billion
- 45 quadrillion
You need to be a HelpTeaching.com member to access free printables.
Already a member? Log in for access. | Go Back To Previous Page
Already a member? Log in for access. | Go Back To Previous Page