Exponential Growth: Money and Populations Quiz

If you invest $1,000 in a savings account that offers an annual interest rate of 5%, compounded annually, how much money will you have after 3 years?

• 1050.00

• 1200.00

• 1157.63

• 1100.50

A population of bacteria doubles every hour. If you start with 100 bacteria, how many will there be after 5 hours?

• 3200

• 4000

• 2400

• 1600

You have $500 in a bank account that earns 4% interest compounded quarterly. How much will you have in the account after 2 years?

• 520.00

• 500.00

• 560.00

• 541.43

A car's value decreases by 15% each year. If the car is worth $20,000 now, what will its value be after 4 years?

• $8,500.00

• $12,000.00

• $15,000.00

• $10,440.13

If you invest $2,000 in a stock that grows at a rate of 8% per year, how much will your investment be worth after 5 years?

• $2,500.00

• $2,938.66

• $2,000.00

• $3,200.00

A loan of $1,500 is taken out with an interest rate of 6% compounded monthly. How much will be owed after 2 years?

• 1800.50

• 1691.24

• 1500.00

• 1600.75

You start with $250 and your money grows by 10% each month. How much will you have after 6 months?

• 400.00

• 500.00

• 300.00

• 442.90

A certain investment grows according to the function A(t) = 500(1.07)^t, where A is the amount of money after t years. How much will you have after 4 years?

• 655.40

• 750.25

• 700.50

• 600.00

If a bank offers a 3% interest rate compounded annually, how much will you have after investing $1,000 for 10 years?

• 1000.00

• 1200.00

• 1500.00

• 1343.92

A tree grows at a rate of 20% per year. If the tree is currently 3 feet tall, how tall will it be after 3 years?

• 3.6 feet

• 5.184 feet

• 6.0 feet

• 4.2 feet