This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Maths Chapter 12 Exponents And Powers – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Maths Chapter 12 Exponents And Powers Quiz 2 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. If a number or variable does not have an exponent, we can assume the exponent is: A) 0. B) 1. C) All the above. D) None of the above. Show Answer Correct Answer: B) 1. 2. What is the numerical expression as a power? $9\cdot9\cdot9\cdot9\cdot9$ A) $9^5$. B) $4^9$. C) $9^4$. D) $49$. Show Answer Correct Answer: A) $9^5$. 3. 4 * 4$^{2}$ A) 4$^{2}$. B) 16$^{2}$. C) 4$^{3}$. D) 16$^{3}$. Show Answer Correct Answer: C) 4$^{3}$. 4. Use a calculator to evaluate the power. $15^2$ A) 30. B) 225. C) 7.5. D) 3375. Show Answer Correct Answer: B) 225. 5. Which does NOT equal 100? A) 10 x 10. B) $10^2$. C) $10^1$. D) Ten squared. Show Answer Correct Answer: C) $10^1$. 6. Simplify the expression:$(4^2) \times (4^{-3})$ A) $4^{-1}$. B) $4^0$. C) $4^1$. D) $4^2$. Show Answer Correct Answer: A) $4^{-1}$. 7. A POINT ON X AXIS IS ..... A) (8, 0). B) (9, 7). C) (0, 6). D) (1, 1). Show Answer Correct Answer: A) (8, 0). 8. The exponential form of 125 is A) 5 raised to the power 3. B) 5 raised to the power 4. C) 5 raised to the power 5. D) None of the above. Show Answer Correct Answer: A) 5 raised to the power 3. 9. Write the exponent in word form.10 x 10 A) Two hundred. B) The second power of 10. C) Two tens. D) 100. Show Answer Correct Answer: B) The second power of 10. 10. Use a calculator to evaluate the power. $11^5$ A) 2. B) 55. C) 161051. D) 14641. Show Answer Correct Answer: C) 161051. 11. What is the value of 4$^{-1}$? A) 1/2. B) 1/4. C) 4. D) 2. Show Answer Correct Answer: B) 1/4. 12. Simplify and leave the answer in exponent form:$\left(\frac{6}{7}\right)^{-2}\times\left(\frac{7}{6}\right)^{-2}$ A) $\frac{7}{6}$. B) $-\left(\frac{6}{7}\right)$. C) 1. D) $\left(\frac{6}{7}\right)$. Show Answer Correct Answer: C) 1. 13. 1 micron = 1/1000000 m. which of the following is its standard form? A) 1.1 x 10$^{-5}$. B) 1.6 x 10$^{-5}$. C) 0.1 x 10$^{-6}$. D) 1.0 x 10$^{-6}$. Show Answer Correct Answer: D) 1.0 x 10$^{-6}$. 14. 3$^{2 }$*3$^{2}$ A) 3$^{4}$. B) 9$^{4}$. C) 9$^{2}$. D) 3$^{2}$. Show Answer Correct Answer: A) 3$^{4}$. 15. Simplify:(x$^{3}$)(x$^{2}$) A) X$^{5}$. B) X$^{6}$. C) X. D) X$^{1.5}$. Show Answer Correct Answer: A) X$^{5}$. 16. What is the base in an exponential expression? A) The base is the number that is being multiplied by itself. B) The base is the exponent in the expression. C) The base is the result of the exponential operation. D) The base is the number that is added to itself. Show Answer Correct Answer: A) The base is the number that is being multiplied by itself. 17. The value of (-2) raised to the power 4 is A) 8. B) -8. C) 16. D) -16. Show Answer Correct Answer: C) 16. 18. Which equals ..... 100, 000, 000, 000 A) 10$^{10}$. B) 10$^{11}$. C) 10$^{20}$. D) 10$^{100}$. Show Answer Correct Answer: B) 10$^{11}$. 19. How do you say 4$^{3 }$? A) 4 squared. B) 3 quadrupled. C) 4 cubed. D) 4 to the power of 2. Show Answer Correct Answer: C) 4 cubed. 20. The value of X in the expression is (-2)$^{3}$ x (-2)$^{-6}$ = (-2)$^{2x-1}$ A) 4. B) -1. C) 2. D) -2. Show Answer Correct Answer: B) -1. 21. Simplify the expression:$9^0 + 9^1$ A) 0. B) 1. C) 9. D) 10. Show Answer Correct Answer: D) 10. 22. (-2)$^{-2}$ is equal to A) 1/2. B) 1/4. C) -1/2. D) -1/4. Show Answer Correct Answer: B) 1/4. 23. What is the value of $10^{-2}$ A) 0.01. B) 0.1. C) 1. D) 10. Show Answer Correct Answer: A) 0.01. 24. Evaluate $10^0$ A) 0. B) 1. C) 10. D) 100. Show Answer Correct Answer: B) 1. 25. How do you multiply two powers with the same base, like 2$^{3}$ and 2$^{4}$? A) Multiply the bases and keep the exponent the same:2$^{3}$ * 2$^{4}$ = 2$^{4}$. B) Add the exponents:2$^{3+4}$ = 2$^{7}$. C) Subtract the exponents:2$^{3}$-2$^{4}$ = 2$^{-1}$. D) Multiply the exponents:2$^{3}$ * 2$^{4}$ = 2$^{12}$. Show Answer Correct Answer: B) Add the exponents:2$^{3+4}$ = 2$^{7}$. ← PreviousNext →Related QuizzesClass 8 Maths Chapter 12 Exponents And Powers Quiz 1Class 8 Maths Chapter 12 Exponents And Powers Quiz 3Class 8 Maths Chapter 12 Exponents And Powers Quiz 4Class 8 Maths Chapter 12 Exponents And Powers Quiz 5Class 8 Maths Chapter 12 Exponents And Powers Quiz 6Class 8 Maths Chapter 12 Exponents And Powers Quiz 7Class 8 Maths Chapter 12 Exponents And Powers Quiz 8Class 8 Maths Chapter 12 Exponents And Powers Quiz 9Class 8 Maths Chapter 12 Exponents And Powers Quiz 10Class 8 Maths Chapter 12 Exponents And Powers Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books