This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Maths Chapter 12 Exponents And Powers – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Maths Chapter 12 Exponents And Powers Quiz 5 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Find the digit that makes 90 ..... 5 divisible by 9. A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: D) 4. 2. What is the exponent and base of the expression below? $3^4$ A) Base = 4 and exp = 3. B) Base = 3 and exp = 12. C) Base = 3 and exp = 4. D) None of the above. Show Answer Correct Answer: C) Base = 3 and exp = 4. 3. Which property is represented?7(t + u) = 7t + 7u A) Commutative Property. B) Associative Property. C) Distributive Property. D) None of the above. Show Answer Correct Answer: C) Distributive Property. 4. The value of (-2) raised to the power 3 is A) 8. B) -8. C) 16. D) -16. Show Answer Correct Answer: B) -8. 5. 6 X 10$^{4}$ A) .06. B) 60. C) 6, 000. D) 60, 000. Show Answer Correct Answer: D) 60, 000. 6. $\frac{w^4y^6x^2}{w^2y^3x}$ A) $w^6y^9x^3$. B) $w^2y^3x$. C) 4-3-1. D) Wxy. Show Answer Correct Answer: B) $w^2y^3x$. 7. Simplify:$\frac{25\times5^2\times t^8}{10^3\times t^4}$ A) $\frac{5}{2}\times t^4$. B) $\frac{5\times t^4}{8}$. C) $t^4$. D) None of the above. Show Answer Correct Answer: B) $\frac{5\times t^4}{8}$. 8. 2$^{3}$ +1$^{3}$ =3$^{x}$, then find the value of x. A) 1. B) 2. C) 3. D) 6. Show Answer Correct Answer: B) 2. 9. The multiplicative inverse of 7$^{-2 }$is: A) 7$^{2}$. B) 7. C) 1/7$^{2}$. D) 1/7. Show Answer Correct Answer: A) 7$^{2}$. 10. 3 raise to 8 9 raise to 8 A) 11 raise to 8. B) 12 raise to 8. C) 10 raise to 8. D) None of the above. Show Answer Correct Answer: B) 12 raise to 8. 11. What is the place value to the left of 'ones'? A) Tens. B) Hundreds. C) Tenths. D) Thousandths. Show Answer Correct Answer: A) Tens. 12. What is the exponent and base of the expression below? $-4^5$ A) Base =-4 and exp = 5. B) Base = 4 and exp = 5. C) Base = 5 and exp =-4. D) Base = 5 and exp = 4. Show Answer Correct Answer: B) Base = 4 and exp = 5. 13. What is the rule to multiply with exponents? A) Add the bases and multiply the exponents. B) Keep the bases and multiply exponents. C) Keep the bases and add the exponents. D) Add the bases and add the exponents. Show Answer Correct Answer: C) Keep the bases and add the exponents. 14. Which of the following statements is true?Statement-1:If $x=\left(\frac{2}{3}\right)^4\div\left(\frac{2}{3}\right)^2$ $x^2+2x+3=0$ $\left(-\frac{1}{2}\right)^4\times\left(-2\right)^8=\left(-2\right)^{4x}$ A) Only Statement-1. B) Only Statement-2. C) Both Statement-1 and Statement-2. D) Neither Statement-1 nor Statement-2. Show Answer Correct Answer: B) Only Statement-2. 15. What is the value of (2$^{3}$)$^{2}$? A) 32. B) 64. C) 128. D) 16. Show Answer Correct Answer: B) 64. 16. Simplify with no negative exponents:x$^{-3}$ A) -3x. B) X$^{3}$. C) 1/ x$^{-3}$. D) 1/ x$^{3}$. Show Answer Correct Answer: D) 1/ x$^{3}$. 17. $\left(2x^3y^4z^5\right)^8$ A) $2^8x^{24}y^{32}z^{40}$. B) $256xyz$. C) $256x^{24}y^{32}z^{40}$. D) $16x^{24}y^{32}z^{40}$. Show Answer Correct Answer: C) $256x^{24}y^{32}z^{40}$. 18. What is the value of-5$^{6}$? A) -15, 625. B) -30. C) 30. D) 15, 625. Show Answer Correct Answer: A) -15, 625. 19. What is the base in 8 raised to the power 2? A) 8. B) 2. C) None of these. D) None of the above. Show Answer Correct Answer: A) 8. 20. (-1)$^{20}$ is equal to: A) -1. B) 1. C) 0. D) 20. Show Answer Correct Answer: B) 1. 21. Find the value of 50 x 10$^{2}$ A) 500. B) 5, 000. C) 50, 000. D) 50. Show Answer Correct Answer: B) 5, 000. 22. What special word do you use for the exponent 2? A) Cubed. B) Squared. C) Boxed. D) Triangled. Show Answer Correct Answer: B) Squared. 23. Simplify:(3$^{-1}$ x 5$^{-1}$)$^{-1}$ A) 115. B) -115. C) 15. D) -15. Show Answer Correct Answer: C) 15. 24. Khan Academy is? A) An online Math tutorial web site. B) Klingon fighting academy. C) A place where you learn to play Khan. D) A math game web site. Show Answer Correct Answer: A) An online Math tutorial web site. 25. Evaluate $\left(\frac{1}{3}\right)^3$ A) 9. B) 27. C) $\frac{1}{9}$. D) $\frac{1}{27}$. Show Answer Correct Answer: D) $\frac{1}{27}$. ← 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 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