This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Mathematics > Exponents And Powers > Class 7 Mathematics Chapter 11 Exponents And Powers – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 11 Exponents And Powers Quiz 11 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Evaluate 9$^{3}$ A) 840. B) 81. C) 9 x 9. D) 729. Show Answer Correct Answer: D) 729. 2. Identify the base. $12^8$ A) 1. B) 128. C) 12. D) 8. Show Answer Correct Answer: C) 12. 3. When dividing powers with the same base, you ..... the exponents. A) Subtract. B) Add. C) Divide. D) Multiply. Show Answer Correct Answer: A) Subtract. 4. Solve. 2$^{3 }$ = A) 8. B) 1. C) 6. D) 12. Show Answer Correct Answer: A) 8. 5. Evaluate 10$^{-5}$ A) 100, 000. B) 0.00001. C) 0.01. D) 1/1, 000, 000. Show Answer Correct Answer: B) 0.00001. 6. $6^2-\left(2^5+3^1\right)$ A) 11. B) -1. C) 1. D) 36. Show Answer Correct Answer: C) 1. 7. Write $a\cdot b\cdot b\cdot a\cdot b$ A) $a^2\cdot b^3$. B) $a^3\cdot b^2$. C) $-a^2\cdot-b^3$. D) None of the above. Show Answer Correct Answer: A) $a^2\cdot b^3$. 8. Which of these areas is a perfect square? A) 90. B) 40. C) 64. D) 12. Show Answer Correct Answer: C) 64. 9. Simplify the expression.1/$^{}$w$^{-5}$ A) W$^{-5}$. B) 1/w$^{5}$. C) 1/w$^{-5}$. D) W$^{5}$. Show Answer Correct Answer: D) W$^{5}$. 10. WHAT IS 2X2X2X2X2X2X2X2X2 A) $2^9$. B) $2^8$. C) $2^6$. D) $2^7$. Show Answer Correct Answer: A) $2^9$. 11. Express the following numbers as powers of ten:100, 000 A) 10$^{4}$. B) 10$^{7}$. C) 10$^{5}$. D) 10$^{6}$. Show Answer Correct Answer: C) 10$^{5}$. 12. Which is equivalent to 5 x 5 x 5 x 5 A) 5$^{5}$. B) 5$^{4}$. C) 5$^{3}$. D) 4$^{5}$. Show Answer Correct Answer: B) 5$^{4}$. 13. $\frac{x^8}{x^4}$ A) $x^4$. B) $x^2$. C) $1^4$. D) None of the above. Show Answer Correct Answer: A) $x^4$. 14. 2$^{3 }$means the same as which expression A) 6. B) 2 cubed. C) 5. D) 2 squared. Show Answer Correct Answer: B) 2 cubed. 15. 3$^{0}$ + 5$^{0 }$+ 7$^{0}$ =? A) 3. B) 15. C) 8. D) 0. Show Answer Correct Answer: A) 3. 16. What is the Exponent in the following example?-2$^{5}$ A) 5. B) 2. C) -2. D) -2$^{5}$. Show Answer Correct Answer: A) 5. 17. Simplify the expression.a$^{5}$/b$^{-3}$ A) B$^{3}$/a$^{5}$. B) A$^{5}$/b$^{3}$. C) A$^{5}$$^{}$b$^{3}$. D) A$^{5}$b$^{-3}$. Show Answer Correct Answer: C) A$^{5}$$^{}$b$^{3}$. 18. 19) 10 x 10 x 10 A) 10$^{3}$. B) 30. C) 3$^{10}$. D) 300. Show Answer Correct Answer: A) 10$^{3}$. 19. $\left(4h^5\right)\left(-7h\right)$ A) -28 $h^6$. B) 28 $h^6$. C) -28 $h^5$. D) 28 $h^7$. Show Answer Correct Answer: A) -28 $h^6$. 20. Power of a power property A) Take each factor to the exponent. B) Keep the base and multiply the exponent. C) Take each factor to the exponent. D) The find the power of the numerator and denominator. Show Answer Correct Answer: B) Keep the base and multiply the exponent. 21. $\left(2+3\right)^2=$ A) 5. B) 56. C) 13. D) 25. Show Answer Correct Answer: D) 25. 22. Simplify the expression using exponential notation:$a^2\cdot a^4$ A) $a^6$. B) $a^2$. C) $a^{24}$. D) $a^8$. Show Answer Correct Answer: A) $a^6$. 23. Which among the factor forms has an incorrect standard form? A) 10 x 10 x 10 = 10, 000. B) 10 x 10 x 10 x 10 = 10, 000. C) 10 x 10 x 10 x 10 x 10 = 100, 000. D) 10 x 10 = 100. Show Answer Correct Answer: A) 10 x 10 x 10 = 10, 000. 24. When we square a number, that means it's to the power of ..... ? A) 4. B) 2. C) 3. D) 1. Show Answer Correct Answer: B) 2. 25. Evaluate the Power $-3^4$ A) 81. B) -81. C) -12. D) 12. Show Answer Correct Answer: B) -81. 26. Find the value of the power. $3^4$ A) 12. B) $3\times4$. C) $3\times3\times3\times3$. D) 81. Show Answer Correct Answer: D) 81. 27. Express each of the following numbers using exponential notation:3125 A) 5$^{3}$. B) 5$^{8}$. C) 5$^{5}$. D) None of the above. Show Answer Correct Answer: C) 5$^{5}$. 28. The value of $100^0$ A) 0. B) 100. C) 11000. D) 1. Show Answer Correct Answer: D) 1. 29. THE EXPONENTIAL FORM OF 81 IS ..... A) $3^4$. B) $3^3$. C) $3^2$. D) NONE OF THESE. Show Answer Correct Answer: A) $3^4$. 30. What is the order of operations? A) A way to multiply numbers quickly. B) A set of rules used to evaluate a numerical expression. C) A method to divide numbers. D) A technique to subtract numbers. Show Answer Correct Answer: B) A set of rules used to evaluate a numerical expression. 31. Express the following number in usual form:3.5 x 10$^{-5}$ A) 0.00035. B) 0.0000035. C) 0.000035. D) 0.0035. Show Answer Correct Answer: C) 0.000035. 32. A perfect square is when a whole number is multiplied by itself? A) FALSE. B) TRUE. C) All the above. D) None of the above. Show Answer Correct Answer: B) TRUE. 33. $a^m\div^{ }a^n$ A) Mn. B) Aa. C) $a^{m-n}$. D) $a^{n+m}$. Show Answer Correct Answer: C) $a^{m-n}$. 34. Which one of the following exponent properties is FALSE? A) $\frac{6^4}{6^7}=\frac{^1}{6^{-3}}$. B) $\left(\frac{3}{2}\right)^{-8}=\frac{2^8}{3^8}$. C) $2^{3+5}=2^3\times2^5$. D) $\frac{1}{7^{-5}}=7^5$. Show Answer Correct Answer: A) $\frac{6^4}{6^7}=\frac{^1}{6^{-3}}$. 35. In the expression $2^5$ A) 32. B) 2. C) 10. D) 5. Show Answer Correct Answer: B) 2. 36. What is the least common denominator (LCD)? A) The least common multiple (LCM) of the denominators. B) The largest common multiple. C) The smallest factor. D) A number that is only divisible by itself and 1. Show Answer Correct Answer: A) The least common multiple (LCM) of the denominators. 37. How would you say $2^6$ A) Six to the second power. B) Two and six. C) Two to the sixth power. D) 64. Show Answer Correct Answer: C) Two to the sixth power. 38. What is the Base? $5.4^3$ A) 5.4. B) 3. C) All the above. D) None of the above. Show Answer Correct Answer: A) 5.4. 39. Which power represents 10 x 10 x 10 x 10 x 10? A) $100^{10}$. B) $10^5$. C) $10^3$. D) $10^2$. Show Answer Correct Answer: B) $10^5$. 40. $[(1/2)^{-1}+(2/3)^2-(3/4)^0]^{-2}$ A) 16/81. B) 81/484. C) 81/169. D) 169/81. Show Answer Correct Answer: C) 81/169. 41. The value of:-3$^{4}$ is A) -12. B) 81. C) -81. D) 12. Show Answer Correct Answer: C) -81. 42. Find the value (standard form) of the power.nine cubed A) 27. B) 81. C) 9. D) 729. Show Answer Correct Answer: D) 729. 43. Write the expression using exponents. $m\cdot m\cdot m\cdot m\cdot m$ A) $m^5$. B) $m^4$. C) $5^m$. D) $-m^5$. Show Answer Correct Answer: A) $m^5$. 44. How would you write x$^{5}$y$^{3}$z$^{2 }$in expanded form? A) X$^{. }$x $^{. }$x$^{.}$ x $^{. }$y $^{. }$y$^{.}$ y$^{. }$z $^{. }$z. B) X$^{5. }$y$^{3.}$ z$^{2}$. C) X$^{.}$ x $^{. }$x $^{.}$ x$^{. }$x$^{.}$ y $^{.}$ y $^{.}$ y$^{. }$z $^{.}$ z. D) Xyz $^{.}$ 10. Show Answer Correct Answer: C) X$^{.}$ x $^{. }$x $^{.}$ x$^{. }$x$^{.}$ y $^{.}$ y $^{.}$ y$^{. }$z $^{.}$ z. 45. What is the value of the expression 3$^{3}$ A) 9. B) 27. C) 81. D) 6. Show Answer Correct Answer: B) 27. 46. Find the value $-2^3$ A) $-9$. B) $6$. C) $-8$. D) $-6$. Show Answer Correct Answer: C) $-8$. 47. Evaluate:458$^{0}$ A) 229. B) 0. C) 1. D) 458. Show Answer Correct Answer: C) 1. 48. $\frac{-28n^6}{4n^3}$ A) $ Han^A $. B) $8n^3$. C) $ Han^p $. D) $ Hen^A $. Show Answer Correct Answer: D) $ Hen^A $. 49. Write $\left(-2\right)\cdot\left(-2\right)\cdot\left(-2\right)\cdot3\cdot3\cdot3\cdot3$ A) $-\left(2\right)^3\cdot3^4$. B) $\left(-2\right)^3\cdot4^3$. C) $\left(-2\right)^3\cdot3^4$. D) None of the above. Show Answer Correct Answer: C) $\left(-2\right)^3\cdot3^4$. 50. Evaluate.1$^{8}$ = A) 18. B) 1. C) 0. D) 8. Show Answer Correct Answer: B) 1. 51. 000:Change to scientific notation A) .125678 x 10$^{-9}$. B) 12.5678 x 10$^{8}$. C) 1.25678 x 10$^{12}$. D) 1.25678 x 10$^{8}$. Show Answer Correct Answer: D) 1.25678 x 10$^{8}$. 52. According to exponent rules, when we multiply exponential expressions we ..... the exponents. A) Divide. B) Subtract. C) Add. D) Multiply. Show Answer Correct Answer: C) Add. 53. $\frac{x^8}{x^5}$ A) $x^3$. B) $x^{-3}$. C) $1^4$. D) None of the above. Show Answer Correct Answer: A) $x^3$. 54. Simplify the following expression:(7a$^{2}$)(5a$^{6}$b)$^{2}$ A) Akhta $^{14} $ b. B) 175a$^{12}$b$^{2}$. C) Akha $^{14} $ B $^{a} $. D) 175a$^{14}$b$^{2}$. Show Answer Correct Answer: D) 175a$^{14}$b$^{2}$. 55. Evaluate the expression x$^{2 }$-x; x = 6 A) 42. B) 6. C) 12. D) 30. Show Answer Correct Answer: D) 30. 56. Simplify the following using laws of exponent. $9^7\\\times\\9^3$ A) $9^{10}$. B) $9^4$. C) $9^{21}$. D) None of the above. Show Answer Correct Answer: A) $9^{10}$. 57. $4\cdot b\cdot b\cdot4\cdot b\cdot b$ A) $4^4\cdot b^2$. B) $4^2\cdot b^3$. C) $4^2\cdot b^4$. D) $4^3\cdot b^3$. Show Answer Correct Answer: C) $4^2\cdot b^4$. 58. Evaluate. 4, 768$^{0 }$= A) 4, 768. B) 0. C) 1. D) None of the above. Show Answer Correct Answer: C) 1. 59. The value of 2$^{-2}$ is: A) 1/4. B) 2. C) 4. D) 1/2. Show Answer Correct Answer: A) 1/4. 60. How do you correctly say 4$^{3}$ A) 4 squared. B) 4 to the power of 2. C) 4 cubed. D) 3 quadrupled. Show Answer Correct Answer: C) 4 cubed. ← PreviousNext →Related QuizzesMathematics QuizzesClass 7 QuizzesClass 7 Mathematics Chapter 11 Exponents And Powers Quiz 1Class 7 Mathematics Chapter 11 Exponents And Powers Quiz 2Class 7 Mathematics Chapter 11 Exponents And Powers Quiz 3Class 7 Mathematics Chapter 11 Exponents And Powers Quiz 4Class 7 Mathematics Chapter 11 Exponents And Powers Quiz 5Class 7 Mathematics Chapter 11 Exponents And Powers Quiz 6Class 7 Mathematics Chapter 11 Exponents And Powers Quiz 7Class 7 Mathematics Chapter 11 Exponents And Powers Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books