# GRE Quantitative Reasoning - Exponents: Help and Review Chapter Exam

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

### Page 1

#### Question 1 1. Which of the following is equivalent to the expression below?

#### Question 2 2. Simplify the following expression.

#### Question 3 3. Simplify the expression using positive exponents.

#### Question 4 4. Which of the following would be true regarding the following exponential expression?

#### Question 5 5. Simplify the following expression using positive exponents.

### Page 2

#### Question 6 6. Simplify using ONLY positive exponents.

#### Question 7 7. Simplify using only positive exponents.

#### Question 8 8. A colony of bacteria starts with 9 bacteria at noon. If the number of bacteria triples every 20 minutes, how many bacteria will be present at 2:40 pm that afternoon?

#### Question 9 9. Solve, to 2 decimal places, the exponential equation below for x:

#### Question 10 10. Simplify the expression using positive exponents.

### Page 3

#### Question 11 11. Which of the following is equivalent to the expression below?

#### Question 12 12. Which of the following radical expressions is equal to this exponential expression?

#### Question 13 13. Simplify the expression using positive exponents.

#### Question 14 14. Simplify the expression below.

#### Question 15 15. Which equation represents a pattern that starts at 6 and is multiplied by 4 each step?

### Page 4

#### Question 16 16. Simplify using ONLY positive exponents.

#### Question 17 17. Which of the following is equivalent to the following expression?

#### Question 18 18. Solve the exponential equation below for x:

#### Question 19 19. Which of the following is equivalent to the expression below?

#### Question 20 20. Simplify the expression below using only positive exponents.

### Page 5

#### Question 21 21. Simplify the expression below using positive exponents only.

#### Question 22 22. Which pattern of numbers is exponential?

#### Question 23 23. Simplify the expression using positive exponents.

#### Question 24 24. Solve the exponential equation below for x:

#### Question 25 25. Which of the following exponential expressions is equal to this radical expression?

### Page 6

#### Question 26 26. Simplify the following expression.

#### Question 27 27. You're saving up for a $16,000 car. If you put $6,000 in a bank account that gives you 12% interest each year, how many years, to 1 decimal place, will it take before you have enough money for the car?

#### Question 28 28. Which of the following is an exponential function?

#### Question 29 29. Which of the following is equivalent to the expression below?

#### Question 30 30. Which of the following would require the use of the 'Power to a Power' rule for exponents?

#### GRE Quantitative Reasoning - Exponents: Help and Review Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!