Exploring Exponential Growth & Compound Interest Problems

A population of rabbits doubles every year. If there are currently 50 rabbits, how many will there be in 3 years?

• 800

• 100

• 400

• 200

A bank offers a savings account with an annual interest rate of 5% compounded annually. If you deposit $1,000, how much money will you have after 4 years?

• 1500.00

• 1300.00

• 1100.00

• 1215.51

A car's value decreases by 20% each year. If the car is currently worth $15,000, what will its value be after 2 years?

• $9,600

• $8,000

• $10,800

• $12,000

A bacteria culture grows exponentially. If there are 200 bacteria now and the number triples every hour, how many bacteria will there be after 3 hours?

• 1200

• 600

• 5400

• 1800

You invest $2,500 in a fund that earns 6% interest compounded annually. How much will you have after 5 years?

• 2500.00

• 4000.00

• 3000.00

• 3345.56

A tree grows at a rate of 10% per year. If it is currently 4 feet tall, how tall will it be in 2 years?

• 5.00 feet

• 4.20 feet

• 4.84 feet

• 6.00 feet

A certain investment grows according to the formula A = P(1 + r)^t. If you invest $800 at an interest rate of 4% for 3 years, what will be the total amount?

• $899.89

• $850.00

• $920.00

• $780.00

A town's population is 10,000 and is increasing by 8% each year. What will the population be in 5 years?

• 13500

• 15800

• 14693

• 12000

If you have a loan of $5,000 with an interest rate of 7% compounded annually, how much will you owe after 3 years?

• $5,500.00

• $6,125.22

• $6,250.00

• $6,000.00

A certain species of fish in a lake grows exponentially. If there are currently 1,000 fish and the population doubles every 6 months, how many fish will there be in 2 years?

• 16000

• 4000

• 8000

• 20000