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Big Ideas Math 8th Grade Chapter 10: Exponents & Scientific Notation Chapter Exam

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!

Page 1

Question 1 1. Simplify using ONLY positive exponents.

Question 2 2. Which operations listed are performed together from left to right?

Question 3 3.

Simplify:

(a^3)(b^8) / (c^2)(d^5)

Question 4 4.

Simplify

m^4n^-3 * m^-2n^3

Question 5 5. Which number is the base?

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Question 6 6. Simplify the following expression.

Question 7 7. Convert 0.00028 to scientific notation.

Question 8 8.

Solve

3b^2 * a^2b

Question 9 9. Convert 8.06 x 10^-1 to standard notation.

Question 10 10. Which operation comes second in the order of operations?

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Question 11 11.

Solve

3 - 14/7 * 2 + 13 - 6^2

Question 12 12.

Simplify

C x C x C x C x C x C

Question 13 13. Simplify using only positive exponents.

Question 14 14. The Great Wall of China is approximately 21,000 kilometers long. Assuming that one average step is approximately 100 cm (0.001 kilometers) long, how many steps would it take to walk the entire length of the Great Wall?

Question 15 15. How many significant figures are in 54,050?

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Question 16 16.

Simplify:

b^7 / b^3

Question 17 17.

Solve

(x^2)(x^5)

Question 18 18.

Solve

a^5b^2c^-3 * a^-2bc^6

Question 19 19. Simge's guinea pig weighs exactly 560. grams. Which of the following most accurately expresses the weight of Simge's guinea pig in scientific notation?

Question 20 20.

The area of a rectangle can be found by multiplying its length by its width. What is the area of a rectangle that is 5.6 cm in length and 9.24 cm wide?

Report your answer with the correct number of significant figures.

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Question 21 21.

Simplify:

(m^3)(n^7)(p^2) / (m^4)(n^3)((p^2)

Question 22 22. What is the value of (2 x 10^6) + (3 x 10^7)?

Question 23 23.

An empty container has a mass of 62.000 grams. You fill it with 24.6 mL of a liquid. The final mass of the container is 81.34 grams. What is the density of the liquid to the correct number of significant figures?

(density of the liquid = mass of the liquid divided by the volume of liquid)

Question 24 24. Convert 1.763 x 10^2 to standard notation.

Question 25 25. Solve:

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Question 26 26. What is the value of (1.8 x 10^-12) + (6 x 10^-11)?

Question 27 27. What is the value of (8 x 10^-2) x (2 x 10^5)? Express your answer using scientific notation

Question 28 28. Convert 36,098,000 to scientific notation.

Question 29 29. Simplify the following expression.

Question 30 30. Simplify using ONLY positive exponents.

Big Ideas Math 8th Grade Chapter 10: Exponents & Scientific Notation 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!

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