This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Maths Chapter 12 Exponents And Powers – Quiz 9 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Maths Chapter 12 Exponents And Powers Quiz 9 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Simplify (6p$^{2}$q$^{3}$)$^{2}$ A) 12p$^{4}$q$^{5}$. B) 36p$^{4}$q$^{6}$. C) 12p$^{4}$q$^{6}$. D) 36p$^{4}$q$^{5}$. Show Answer Correct Answer: B) 36p$^{4}$q$^{6}$. 2. Evaluate:6$^{2}$ A) 36. B) 49. C) 6 x 6. D) 12. Show Answer Correct Answer: A) 36. 3. The number 70, 110 is divisible by ..... A) 2, 3, 4, 5, 6, 9, 10. B) 2, 3, 4, 5, 6, 8, 9, 10. C) 2, 3, 5, 6, 9, 10. D) 2, 3, 5, 9, 10. Show Answer Correct Answer: C) 2, 3, 5, 6, 9, 10. 4. Simplify $\frac{-30a^7b^3}{-5a^2b^2}$ A) $6a^5b$. B) $-6a^5b$. C) $25a^5b$. D) None of the above. Show Answer Correct Answer: A) $6a^5b$. 5. Ms. Wheeler's son has 10$^{2}$ pairs of socks. Ms. Wheeler is obsessed with buying her son clothes so she buys him 10$^{3 }$more pairs. How many total pairs does Legend have? A) $ 11, 000. B) $ 100. C) $ 1100. D) $ 11. Show Answer Correct Answer: C) $ 1100. 6. The exponent is equal to the ..... in the product. A) Number of numbers. B) The answer. C) Number of zeros. D) Number of letters. Show Answer Correct Answer: C) Number of zeros. 7. BE CAREFUL!Simplify $\left(x^4\right)^4$ A) $x^8$. B) $x^{16}$. C) All the above. D) None of the above. Show Answer Correct Answer: B) $x^{16}$. 8. Simplify:(x$^{5}$)$^{4}$ A) X$^{9}$. B) X$^{20}$. C) X. D) X$^{54}$. Show Answer Correct Answer: B) X$^{20}$. 9. Simplify the expression:3$^{1/2}$ * 27$^{1/2}$ A) 9. B) 81. C) 3. D) 1/3. Show Answer Correct Answer: A) 9. 10. Like terms have the same ..... and the same ..... A) Variables and numbers. B) Signs and numbers. C) Variables and exponents. D) Variables and signs. Show Answer Correct Answer: C) Variables and exponents. 11. Simplify the expression:36$^{1/2}$ A) 6. B) 36. C) -6. D) 1296. Show Answer Correct Answer: A) 6. 12. $(m+n)^{-1}(m^{-1}+n^{-1})$ A) $mn$. B) $\frac{1}{mn}$. C) 0. D) $mn^{-2}$. Show Answer Correct Answer: B) $\frac{1}{mn}$. 13. 6 raise to 10 and 8 raise 10 A) 14 raise to 10. B) 15 raise to 10. C) 18 raise to 10. D) 17 raise to 10. Show Answer Correct Answer: A) 14 raise to 10. 14. What happens when you divide two powers with the same base, such as a$^{m}$ and a$^{n}$? A) You add the exponents:a$^{m+n}$. B) You multiply the bases:a$^{m}$ * a$^{n}$. C) You subtract the exponents:a$^{m-n}$. D) You raise the base to the sum of the exponents:a$^{m+n}$. Show Answer Correct Answer: C) You subtract the exponents:a$^{m-n}$. 15. 17$^{1 }$= A) 18. B) 17. C) 171. D) 1. Show Answer Correct Answer: B) 17. 16. Which of the following is used as a form of 5.05 x 10$^{6}$? A) 5050000. B) 505000. C) 50500000. D) 505000000. Show Answer Correct Answer: A) 5050000. 17. (x$^{3}$y)$^{6}$ A) 2x$^{18}$y$^{6}$. B) X$^{18}$y$^{6}$. C) X$^{3}$y$^{6}$. D) X$^{3}$y$^{6}$. Show Answer Correct Answer: B) X$^{18}$y$^{6}$. 18. Solve m$^{3}$ = (343/1000) A) -.7. B) +, -7/10. C) -7/10. D) 7/10. Show Answer Correct Answer: D) 7/10. 19. What is the significance of the exponent in an expression? A) It indicates the number of times the base is used as a factor. B) It represents the square of the base. C) It shows the addition of the base to itself. D) It determines the value of the base when multiplied by zero. Show Answer Correct Answer: A) It indicates the number of times the base is used as a factor. 20. What is the result of evaluating 7$^{3}$? A) 343. B) 256. C) 512. D) 729. Show Answer Correct Answer: A) 343. 21. What is (-4x)$^{0}$ equal to? A) -4. B) 4x. C) -1. D) 1. Show Answer Correct Answer: D) 1. 22. Which is equivalent to 7x7x7x7x7x7 A) 7$^{6}$. B) 6$^{7}$. C) 7$^{7}$. D) 7$^{5}$. Show Answer Correct Answer: A) 7$^{6}$. 23. $\left[4^2-3^2\right]\div7$ A) 49. B) 1. C) 0. D) 7. Show Answer Correct Answer: B) 1. 24. FIND THE VALUE OF x IF (-3)$^{3x + 1}$ * (-3)$^{4}$ = (-3)$^{8}$ A) 1. B) 5. C) 0. D) 3. Show Answer Correct Answer: A) 1. 25. $\left(2^0+4^{-1}\right)\times2^2$ A) 2. B) 3. C) 4. D) 5. Show Answer Correct Answer: D) 5. ← 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 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 10Class 8 Maths Chapter 12 Exponents And Powers Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books