This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Maths Chapter 12 Exponents And Powers – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Maths Chapter 12 Exponents And Powers Quiz 4 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 8 x 10$^{3}$ A) 80. B) 800. C) 8, 000. D) 80, 000. Show Answer Correct Answer: C) 8, 000. 2. 4$^{0}$ A) 0. B) 1. C) 4. D) -4. Show Answer Correct Answer: B) 1. 3. The exponential form of 1000 is: A) 10$^{3}$. B) 10$^{4}$. C) 10$^{2}$. D) 10$^{7}$. Show Answer Correct Answer: A) 10$^{3}$. 4. 2 raise 8 A) 2x2x2x2x2x2x2x2. B) 2x2x2x2x2x2x2x2x2. C) 2x2x2x2x2x2. D) 2x2x2x2x2. Show Answer Correct Answer: A) 2x2x2x2x2x2x2x2. 5. Evaluate $\left(\frac{1}{2}\right)^4$ A) 8. B) 16. C) $\frac{1}{8}$. D) $\frac{1}{16}$. Show Answer Correct Answer: D) $\frac{1}{16}$. 6. A$^{0}$ is equal to A) 1. B) -1. C) 0. D) A. Show Answer Correct Answer: A) 1. 7. (5$^{3}$x$^{2}$y$^{4}$)$^{0}$ A) 5xy. B) 1. C) 0. D) 5. Show Answer Correct Answer: B) 1. 8. The point (0, -9) lies in A) X-axis. B) Y-axis. C) III quadrant. D) IV quadrant. Show Answer Correct Answer: B) Y-axis. 9. What is (0.2)$^{3}$ A) 8. B) .8. C) .08. D) .008. Show Answer Correct Answer: D) .008. 10. Find the value of $5^4$ A) 25. B) 20. C) 625. D) 125. Show Answer Correct Answer: C) 625. 11. Simplify (-3x$^{4}$y$^{5}$)$^{2}$ A) 9x$^{8}$y$^{10}$. B) 6x$^{8}$y$^{10}$. C) 3x$^{8}$y$^{10}$. D) -9x$^{8}$y$^{10}$. Show Answer Correct Answer: A) 9x$^{8}$y$^{10}$. 12. Find the value. 8 x 10$^{2}$ A) 80. B) 800. C) 160. D) 180. Show Answer Correct Answer: B) 800. 13. $\frac{x^{-2}}{x^{-10}y^{-8}}$ A) $\frac{x^8}{y^{-8}}$. B) $x^{20}y^8$. C) $x^8y^8$. D) $\frac{x^{10}y^8}{x^2}$. Show Answer Correct Answer: C) $x^8y^8$. 14. How would you express the exponent expression below in expanded form? $\left(-3\right)^3$ A) (-3) (-3) (-3). B) (-3) (3). C) (-) (3) (3) (3). D) None of the above. Show Answer Correct Answer: A) (-3) (-3) (-3). 15. Which of the following is the standard form of 0.00001275 A) 1.275 * 10$^{-5}$. B) 1.275 * 10$^{5}$. C) 127.5 * 10$^{-7}$. D) 127, 5 * 10$^{7}$. Show Answer Correct Answer: A) 1.275 * 10$^{-5}$. 16. Find the value of the power. A) $3\times3\times3\times3$. B) $3\times4$. C) 12. D) 81. Show Answer Correct Answer: D) 81. 17. What is [ (12x$^{3}$y$^{5}$z$^{7}$)/ (144x$^{-4}$ y$^{7}$z$^{-3}$)]$^{0}$ A) 12(x$^{7}$z$^{10}$). B) (x$^{7}$z$^{10}$)/12y$^{2}$. C) 1. D) (x$^{7}$y$^{-2}$z$^{10}$)/12. Show Answer Correct Answer: C) 1. 18. Which does not equal 100, 000? A) The fifth power of 10. B) $10^4$. C) 10 x 10 x 10 x 10 x 10. D) $10^5$. Show Answer Correct Answer: B) $10^4$. 19. Write the exponent in word form.10 x 10 x 10 x 10 A) Four tens. B) The fourth power of ten. C) The tenth power of 4. D) None of the above. Show Answer Correct Answer: B) The fourth power of ten. 20. What is 1/4 squared? A) 1/16. B) 1/4. C) 1/8. D) 1/2. Show Answer Correct Answer: A) 1/16. 21. Which of the following = (100-99$^{0}$) x 100? A) 100. B) 10000. C) 9900. D) 1. Show Answer Correct Answer: C) 9900. 22. 7 * 10$^{-5}$ m IS THE STANDARD FORM OF WHICH OF THE FOLLOWING ..... A) 0.00007. B) 0.00000007. C) 0.7. D) 70000.0. Show Answer Correct Answer: A) 0.00007. 23. Mohan borrowed Rs. 30000 for 3 years. He paid simple interest at the rate of 12 % p.a. How much interest did he pay? A) Rs. 10800. B) Rs. 16200. C) Rs. 12400. D) Rs. 13326. Show Answer Correct Answer: A) Rs. 10800. 24. Express the following term in exponential form:$\left(-10n\right)^5$ A) $\left(-10\right)^5\times n^5$. B) $\left(-10\right)^{10}\times n^{10}$. C) $\left(-10\right)\times n^5$. D) None of the above. Show Answer Correct Answer: A) $\left(-10\right)^5\times n^5$. 25. 3 x 10$^{2 }$ ..... 2 x 10 $^{3}$ A) <. B) >. C) =. D) None of the above. Show Answer Correct Answer: A) <. ← PreviousNext →Related QuizzesClass 8 Maths Chapter 12 Exponents And Powers Quiz 1Class 8 Maths Chapter 12 Exponents And Powers Quiz 2Class 8 Maths Chapter 12 Exponents And Powers Quiz 3Class 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