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Exp and Logs Review

Authored by Laura Ramirez

Mathematics

11th Grade

Used 5+ times

Exp and Logs Review
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50 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A population of fish starts at 8,000 and decreases by 6% per year. What is the population of fish after 10 years?

14327
4309
839
7680

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

An amount of $2,000 is deposited into a bank paying an annual interest rate of 2.85% compounded continuously. How long will it take for the money to double?

21.22 years
24.321 years
20.12 years
Not here

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

If you deposit $5000 into an account paying 6% annual interest compounded monthly, how long until there is $8000 in the account?

9.3 years

6.7 years

8.5 years

7.9 years

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Phoenix has $1,275 to invest in an account that pays 7% interest per year, compounded continuously. It will take _____ years for the amount to be $5050? Round to two decimal places.

20.25

19.66

21.22

18.50

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Chelsea put $7500 into an account paying 5% compounded continuously. She now has $10,643.01. How long has the money been in the account?

7 years

6 years

5 years

4 years

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The foundation of your house has about 1,200 termites. The termites grow at a rate of about 2.4% per day. How long until the number of termites doubles?

29 to 30 years
23 to 24years
15 to 16 years
19 to 20 years

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The population of a small coastal resort town, currently 3400, grows at a rate of 3% per year.  This growth can be expressed by the exponential equation P = 3400(1+.03)x, where P is the population after t years.  Find the number of years it will take for the population to reach 10,000?

20 years
26 years
30 years
36 years

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