This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Mathematics > Exponents And Powers > Class 7 Mathematics Chapter 11 Exponents And Powers – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 11 Exponents And Powers Quiz 3 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Write each product using an exponent. 14 x 14 A) 14. B) 14$^{ 2}$. C) 2$^{ 14}$. D) 14$^{ 14}$. Show Answer Correct Answer: B) 14$^{ 2}$. 2. Evaluate or solve this expression 4$^{2}$ A) 6. B) 16. C) 32. D) 8. Show Answer Correct Answer: B) 16. 3. What is the exponent in $12^6$ A) 6. B) 72. C) 18. D) 12. Show Answer Correct Answer: A) 6. 4. The reciprocal of $\left(\frac{3}{9}\right)^{-3}$ A) 3. B) $\frac{1}{27}$. C) $\frac{1}{3}$. D) 27. Show Answer Correct Answer: B) $\frac{1}{27}$. 5. Express 540 as product of powers of its prime factors A) 2$^{2 }$x 3$^{4 }$x 5. B) 3$^{4 }$x 5. C) 2$^{ }$x 3$^{2 }$x 7. D) 2$^{2 }$x 3$^{3 }$x 5. Show Answer Correct Answer: D) 2$^{2 }$x 3$^{3 }$x 5. 6. Write the prime factorization of the number using exponents. 50 A) X. B) A $^{a} $ dirt. C) 2x5$^{2}$. D) 5x10. Show Answer Correct Answer: C) 2x5$^{2}$. 7. What is the value of 2$^{5}$ A) 45. B) 32. C) 40. D) 30. Show Answer Correct Answer: B) 32. 8. Simplify 3a$^{-1}$c$^{-5}$/ d$^{0}$ A) 1. B) 3a/c$^{5}$. C) 1/3a$^{1}$c$^{5}$d. D) 3/ac$^{5}$. Show Answer Correct Answer: D) 3/ac$^{5}$. 9. Write in exponential form:3 x 3 x 3 x 3 A) 81. B) 3 x 4. C) 3$^{4}$. D) 3$^{2}$. Show Answer Correct Answer: C) 3$^{4}$. 10. 000, 000, 000, 000, 000 = A) 10$^{12}$. B) 10$^{19}$. C) 10$^{1}$. D) 10$^{18}$. Show Answer Correct Answer: D) 10$^{18}$. 11. What is 5 x 5 x 5 as a power? A) 555. B) 15. C) 125. D) $5^3$. Show Answer Correct Answer: D) $5^3$. 12. Express 1, 024 in exponential form A) $153^2$. B) $2^9$. C) $80^4$. D) $4^5$. Show Answer Correct Answer: D) $4^5$. 13. In the repeated multiplication-2 x 2 x 2 x 2 x 2, what is the base? A) -5. B) 5. C) -2. D) 2. Show Answer Correct Answer: D) 2. 14. Which one of the expressions is NOT the same as $6^{-2}$ A) $\frac{1}{6^{-2}}$. B) $\left(\frac{1}{6}\right)^2$. C) $\frac{1}{6^2}$. D) None of the above. Show Answer Correct Answer: A) $\frac{1}{6^{-2}}$. 15. True or false:$10^6\div10^2=10^4$ A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 16. Which expression has a base of 3? A) 53. B) 3$^{2}$. C) C. D) 5$^{3}$. Show Answer Correct Answer: B) 3$^{2}$. 17. Find the product. Write your answer as a power:$5^4\cdot5^2$ A) 3125. B) $5^8$. C) $5^6$. D) 625. Show Answer Correct Answer: C) $5^6$. 18. What is nine cubed in exponential form? A) 9 x 9 x 9. B) 9$^{3}$. C) All the above. D) None of the above. Show Answer Correct Answer: B) 9$^{3}$. 19. Evaluate the expression:$5^2\cdot5^{-5}$ A) $5^{-3}$. B) $\frac{1}{125}$. C) $5^3$. D) 125. Show Answer Correct Answer: B) $\frac{1}{125}$. 20. EXPRESS THE FOLLOWING RATIONAL NUMBER IN EXPONENTIAL FORM:$\frac{81}{256}$ A) $\frac{3}{4}$. B) $\left(\frac{5}{6}\right)^3$. C) $\frac{5}{6}$. D) $\left(\frac{3}{4}\right)^4$. Show Answer Correct Answer: D) $\left(\frac{3}{4}\right)^4$. 21. There are about 2$^{3}$ * 3 * 5$^{3}$ species of palm trees in the whole world. About how many species is this? A) 3000 species. B) 2000 species. C) 4000 species. D) 6000 species. Show Answer Correct Answer: A) 3000 species. 22. In 2$^{3 }$what is the exponent? A) 2. B) 3. C) 2$^{3}$. D) None of the above. Show Answer Correct Answer: B) 3. 23. Evaluate the expression:$\left(3xy\right)^2$ A) $6x^2y^2$. B) $3xy^2$. C) $9x^2y^2$. D) None of the above. Show Answer Correct Answer: C) $9x^2y^2$. 24. Find the product:$10^3\cdot10^4$ A) $10^8$. B) $10^5$. C) $10^7$. D) $10^6$. Show Answer Correct Answer: C) $10^7$. 25. Solve.($^{1}$/$_{2}$)$^{3}$ A) $^{3}$/$_{6}$. B) $^{3}$/$_{8}$. C) $^{1}$/$_{8}$. D) Answer Not Given. Show Answer Correct Answer: C) $^{1}$/$_{8}$. 26. $7^5$ $\div$ $7^2$ A) 290. B) 776. C) 343. D) 973. Show Answer Correct Answer: B) 776. 27. The exponent (power) can't be 0 A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 28. Which of the following is equivalent to the expression below:$2\times2\times2\times2\times2\times2\times2$ A) $14$. B) 2, 222, 222. C) $2^7$. D) $7^2$. Show Answer Correct Answer: C) $2^7$. 29. 3$^{-2}$ can be written as A) $3^2$. B) $\frac{1}{3^2}$. C) $-\frac{2}{3}$. D) $\frac{1}{3^{-2}}$. Show Answer Correct Answer: B) $\frac{1}{3^2}$. 30. What is the VALUE of 3$^{3?}$ A) 9. B) 27. C) 12. D) 81. Show Answer Correct Answer: B) 27. 31. That $^{4} $ * Khan $^{4} $ A) Hen $^{4} $. B) 10n$^{16}$. C) 10n$^{8}$. D) None of the above. Show Answer Correct Answer: C) 10n$^{8}$. 32. (4-2)$^{2}$ x 4 + 4 A) 6. B) 16. C) 4. D) 20. Show Answer Correct Answer: D) 20. 33. What operation does the dot symbol indicate? A) Division. B) Subtraction. C) Multiplication. D) Addition. Show Answer Correct Answer: C) Multiplication. 34. Calculate $\left(-4\right)^4$ A) 256. B) -256. C) 16. D) -16. Show Answer Correct Answer: A) 256. 35. Simplify $y^6\div y^3$ A) $y^3$. B) $y^2$. C) $y^4$. D) $y^6$. Show Answer Correct Answer: A) $y^3$. 36. What is the value of (-2)$^{3?}$ A) -6. B) -8. C) 6. D) 8. Show Answer Correct Answer: B) -8. 37. Write as a power:$\left(5^2\right)^3$ A) $5^2$. B) $5^5$. C) $5^3$. D) $5^6$. Show Answer Correct Answer: D) $5^6$. 38. These are all TRUE. Which is the expanded form of 10$^{-3?}$ A) 1/10 x 10 x10. B) 0.001. C) 1/1, 000. D) 1/10$^{3}$. Show Answer Correct Answer: A) 1/10 x 10 x10. 39. In the first round of a local tennis tournament, there are 2$^{5}$ matches. Find the number of matches. A) 16 matches. B) 8 matches. C) 4 matches. D) 32 matches. Show Answer Correct Answer: D) 32 matches. 40. What is the standard form of 10$^{2}$? A) 1, 000. B) 100. C) 10, 000. D) 10. Show Answer Correct Answer: B) 100. 41. $2^5$ $+$ $6^2$ $6^0$ A) 2031. B) 321. C) 105. D) 501. Show Answer Correct Answer: C) 105. 42. Express 3125 in exponential form A) 5$^{8}$. B) 5$^{5}$. C) 7$^{5}$. D) 3$^{8}$. Show Answer Correct Answer: B) 5$^{5}$. 43. Which among the exponential forms has the correct standard form? A) $10^3$. B) $10^4$. C) $10^2$. D) $10^5$. Show Answer Correct Answer: A) $10^3$. 44. 10$^{2}$ is equal to A) 10, 000. B) 1, 000. C) 10. D) 100. Show Answer Correct Answer: D) 100. 45. Solve. 15$^{1 }$= A) 1. B) 15. C) 30. D) 0. Show Answer Correct Answer: B) 15. 46. What is the number in a power that tells how many times the base is used as a factor? A) Exponent. B) Factor. C) Expression. D) Term. Show Answer Correct Answer: A) Exponent. 47. Which number represents the exponent in this power 10$^{4?}$ A) 10. B) 4. C) Both. D) Neither. Show Answer Correct Answer: B) 4. 48. Given the expression $-9m^2$ A) $2$. B) $m$. C) $m^2$. D) $-9$. Show Answer Correct Answer: B) $m$. 49. Write the expression using exponents:$\frac{1}{4}\cdot\frac{1}{4}\cdot\frac{1}{4}\cdot\frac{1}{4}\cdot\frac{1}{4}$ A) $-\left(\frac{1}{4}\right)^5$. B) 1024. C) $\frac{1^5}{4}$. D) $\left(\frac{1}{4}\right)^5$. Show Answer Correct Answer: D) $\left(\frac{1}{4}\right)^5$. 50. Find the value of $9^2$ A) 45. B) 27. C) 81. D) 18. Show Answer Correct Answer: C) 81. 51. Square of any number a$^{2 }$is A) A X a X a X a. B) A X a. C) A X a X a. D) A. Show Answer Correct Answer: B) A X a. 52. $\left(3^2\right)^8$ A) $3^{16}$. B) $3^{10}$. C) $3^6$. D) None of the above. Show Answer Correct Answer: A) $3^{16}$. 53. Find the value of $10^3$ A) 1, 000. B) 10. C) 100. D) 10, 000. Show Answer Correct Answer: A) 1, 000. 54. Find the value of the variable $64=4^m$ A) 3. B) 16. C) 4. D) 48. Show Answer Correct Answer: A) 3. 55. A class is asked to simplify $4^2\times4^4\div4^3$ $4^3$ $4^2$ A) James. B) Lars. C) Neither. D) None of the above. Show Answer Correct Answer: A) James. 56. Simplify (-4r$^{5}$)(2r$^{8}$) A) -8r $^{13} $. B) Any $^{40} $. C) -2r$^{13}$. D) -8r $^{40} $. Show Answer Correct Answer: A) -8r $^{13} $. 57. What would be my first step? 3 + 4 x 6-4 = A) Exponents. B) Addition. C) Subtraction. D) Multiplication. Show Answer Correct Answer: D) Multiplication. 58. What does the "P" stand for in PEMDAS? A) Power. B) Parenthesis. C) Product. D) None of the above. Show Answer Correct Answer: B) Parenthesis. 59. Express 27 as a power A) 3$^{3}$. B) 3$^{2}$. C) 9$^{2}$. D) 9$^{3}$. Show Answer Correct Answer: A) 3$^{3}$. 60. $\frac{12x^4}{3x}$ A) $ hh^h $. B) $ yach^h $. C) $ hh^h $. D) $ yah^h $. Show Answer Correct Answer: A) $ hh^h $. ← 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 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 8Class 7 Mathematics Chapter 11 Exponents And Powers Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books