This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Mathematics > Exponents And Powers > Class 7 Mathematics Chapter 11 Exponents And Powers – Quiz 2 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 11 Exponents And Powers Quiz 2 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. $\left(4x^2\right)^3$ A) $\left(4\cdot3\cdot x\cdot x\right)\left(4\cdot3\cdot x\cdot x\right)$. B) $\left(4\cdot x\cdot x\cdot3\right)$. C) $\left(4\cdot x\cdot x\right)\left(4\cdot x\cdot x\right)\left(4\cdot x\cdot x\right)$. D) None of the above. Show Answer Correct Answer: C) $\left(4\cdot x\cdot x\right)\left(4\cdot x\cdot x\right)\left(4\cdot x\cdot x\right)$. 2. Raising a number to a power (or exponent) is also known as ..... A) Repeated division. B) Repeated addition. C) Repeated multiplication. D) None of the above. Show Answer Correct Answer: C) Repeated multiplication. 3. The Roaming Cell Phone Company charges $ 15.00 per month plus $ 0.20 per minute of airtime usage. If Juanita uses x minutes of airtime, what is an equation that can be used to determine her monthly cell phone bill (C)? A) C = 0.20x + 15. B) C = 0.20 + 15x. C) C =15 (0.20x). D) C = 15 + x + 0.20. Show Answer Correct Answer: A) C = 0.20x + 15. 4. Write the power as a product of the same factor. Then find the value. $6^4$ A) 6 x 6 x 6 x 6 = 24. B) 6 + 6 + 6 + 6 = 24. C) 6 x 6 x 6 x 6 = 1296. D) None of the above. Show Answer Correct Answer: C) 6 x 6 x 6 x 6 = 1296. 5. $\left(-5z^2\right)$ $\left(2z^9\right)$ A) 10 $z^7$. B) -10 $z^{11}$. C) 10 $z^{12}$. D) All the above. Show Answer Correct Answer: B) -10 $z^{11}$. 6. You have 9$^{3}$ apples that you just picked in an apple tree. How do you write this in scientific notation? A) 9$^{3= 9*9*9}$. B) 9*9*9= 9$^{3}$$^{}$. C) 9*9*9. D) None of the above. Show Answer Correct Answer: B) 9*9*9= 9$^{3}$$^{}$. 7. Find the value of the question mark $64=4^?$ A) 4. B) 48. C) 3. D) 16. Show Answer Correct Answer: C) 3. 8. How should the following exponent be written in expression form? $\left(-9\right)^4$ A) $9\cdot4$. B) (-9) (9) (-9) (9). C) (-9) (-9) (-9) (-9). D) 28. Show Answer Correct Answer: C) (-9) (-9) (-9) (-9). 9. Write 3 x 3 x 3 x 3 as an exponent. A) 3$^{2}$. B) 3$^{4}$. C) 3 x 4. D) 81. Show Answer Correct Answer: B) 3$^{4}$. 10. Evaluate $\left(-4-3\right)^2+\left(-3\right)^2$ A) 10. B) 20. C) 7. D) 58. Show Answer Correct Answer: D) 58. 11. According to exponent rules, when we raise a power to a power we ..... the exponents. A) Divide. B) Multiply. C) Subtract. D) Add. Show Answer Correct Answer: B) Multiply. 12. 27) A basketball infield has an area of 90$^{2 }$feet. What is the area of the infield? A) 8, 100 feet. B) 81 feet. C) 180 feet. D) 92 feet. Show Answer Correct Answer: A) 8, 100 feet. 13. For a non-zero rational number 'a', (a$^{2}$)$^{-4}$ is equal to ..... A) A$^{-8}$. B) A$^{-2}$. C) A$^{8}$. D) A$^{-6}$. Show Answer Correct Answer: A) A$^{-8}$. 14. Determine the value $\left(81\right)^{\frac{1}{4}}$ A) 27. B) 3. C) 9. D) 20.25. Show Answer Correct Answer: B) 3. 15. Simplify:$\left(m^0\right)\left(m^5\right)$ A) $0$. B) $m^{-5}$. C) $1$. D) $m^5$. Show Answer Correct Answer: D) $m^5$. 16. 2 x 2 x 2 x 2 x 2 is equal to A) $2^2$. B) $2^4$. C) $2^3$. D) $2^5$. Show Answer Correct Answer: D) $2^5$. 17. Numbers with exponents are called A) Perfect squares. B) Powers. C) Squared. D) Cubed. Show Answer Correct Answer: B) Powers. 18. What is the side length of a square that has an area of 121? A) 11. B) 30.25. C) 14641. D) 60.5. Show Answer Correct Answer: A) 11. 19. What is the standard form to this problem? $6^2$ A) 4. B) 36. C) 12. D) 62. Show Answer Correct Answer: B) 36. 20. Product raised to a power:(2ab)$^{3}$ A) 8a$^{3}$b$^{3}$. B) 6a$^{3}$b$^{3}$. C) 8AB. D) 2ab$^{3}$. Show Answer Correct Answer: A) 8a$^{3}$b$^{3}$. 21. 2$^{5}$ is the same as 2 x 5. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 22. $\frac{20x^3}{4x^3}$ A) $16x$. B) $ 5X $. C) $5$. D) None of the above. Show Answer Correct Answer: C) $5$. 23. Two numbers that, when multiplied, result in a definite number. A) Factor pair. B) Exponent. C) Evaluate. D) Base. Show Answer Correct Answer: A) Factor pair. 24. (2x$^{3}$y)$^{6}$ A) 64x$^{3}$y$^{6}$. B) 2x$^{3}$y$^{6}$. C) 2x$^{18}$y$^{6}$. D) 64x$^{18}$y$^{6}$. Show Answer Correct Answer: D) 64x$^{18}$y$^{6}$. 25. What operation do you use with exponents? A) Addition. B) Multiplication. C) Subtraction. D) Division. Show Answer Correct Answer: B) Multiplication. 26. Evaluate the expression:$\frac{4^3}{4^1}$ A) 16. B) 12. C) 20. D) 8. Show Answer Correct Answer: A) 16. 27. 7$^\circ$ X 7$^\circ$ =? A) 49. B) 1. C) 7. D) None of the above. Show Answer Correct Answer: B) 1. 28. The multiplicative inverse of $7^{-2}$ A) $7^2$. B) 1/ $7^2$. C) 7. D) 1/7. Show Answer Correct Answer: A) $7^2$. 29. Negative exponents for powers of ten are meant to represent numbers between A) 0 and 1. B) -1 and 0. C) -1 and 1. D) 0 and 100. Show Answer Correct Answer: A) 0 and 1. 30. An ..... is a number that indicates how many times you should multiply a number to itself. A) Fraction. B) Exponent. C) Decimal. D) None of the above. Show Answer Correct Answer: B) Exponent. 31. Simplify:3 x 3 x 3 x 3 x 3 A) 3$^{5}$. B) 3$^{3}$. C) 3$^{4}$. D) 4$^{3}$. Show Answer Correct Answer: A) 3$^{5}$. 32. Is 100 a perfect square? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 33. Anything raised to a power of zero is always: A) 0. B) 1. C) Itsef. D) None of the above. Show Answer Correct Answer: B) 1. 34. Which is the base in 9$^{2}$ A) 2. B) 92. C) 29. D) 9. Show Answer Correct Answer: D) 9. 35. The first step in solving a problem is: A) Develop a solution. B) Reflect and review. C) Understand the problem. D) Investigate and research the problem. Show Answer Correct Answer: C) Understand the problem. 36. Evaluate:6 + 2$^{6}$. Write the value in standard form. A) 12. B) 18. C) 6. D) 70. Show Answer Correct Answer: D) 70. 37. Make this negative exponent positive.9$^{-3}$ A) 1/9$^{-3}$. B) 729. C) 1/9$^{3}$. D) 9$^{3}$. Show Answer Correct Answer: C) 1/9$^{3}$. 38. Dedra's dog weighs 5 * 2$^{4}$ pounds. What is the weight of Dedra's dog? A) 40 lbs. B) 100 lbs. C) 80 lbs. D) 60 lbs. Show Answer Correct Answer: C) 80 lbs. 39. What is the base?$^{ }$8$^{7}$ A) 8$^{7}$. B) 7. C) Who will think?. D) 8. Show Answer Correct Answer: D) 8. 40. How is 6 x 6 written as a power? A) $3^2$. B) $3^3$. C) $6^3$. D) $6^2$. Show Answer Correct Answer: D) $6^2$. 41. Who is the father of exponents and powers A) Archimedes. B) Jacob Bernoulli. C) Albert Einstein. D) Nicolas Chuquet. Show Answer Correct Answer: B) Jacob Bernoulli. 42. What is the exponent in $x^y$ A) Xy. B) Y. C) X. D) X+y. Show Answer Correct Answer: B) Y. 43. Scientific Notation is made up of two number parts. The second part is a power 10. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 44. The value of 3$^{5}$ /9$^{3 }$is equal to A) 1/9. B) 3. C) 1/3. D) 1. Show Answer Correct Answer: C) 1/3. 45. Find the quotient, write your answer as a power:$\frac{7^5}{7^2}$ A) 343. B) $7^{-3}$. C) $7^3$. D) $\frac{1}{7^3}$. Show Answer Correct Answer: C) $7^3$. 46. X 10$^{-6}$ is an example of scientific notation. The exponent of-6 tells you your number will be very ..... A) Large. B) Small. C) Basic. D) None of the above. Show Answer Correct Answer: B) Small. 47. In 2$^{n}$, n is known as A) BASE. B) EXPONENT. C) X. D) NONE OF THESE. Show Answer Correct Answer: B) EXPONENT. 48. What does the "E" stand for in PEMDAS? A) Equation. B) Equal. C) Exponents. D) None of the above. Show Answer Correct Answer: C) Exponents. 49. The school library contains 6 to the 5th power of books. How many library books does the school library have? A) 7766 library books. B) 7576 library books. C) 7776 library books. D) 7766 library books. Show Answer Correct Answer: C) 7776 library books. 50. Simplify $\left(-7\right)^8\div\left(-7\right)^4$ A) $\left(-7\right)$. B) $\left(-7\right)^4$. C) $\left(-7\right)^3$. D) $\left(-7\right)^2$. Show Answer Correct Answer: B) $\left(-7\right)^4$. 51. The reciprocal of $\left(2\div3\right)^4$ A) $\left(3\div2\right)^4$. B) $\left(3\div2\right)^{-4}$. C) All the above. D) None of the above. Show Answer Correct Answer: B) $\left(3\div2\right)^{-4}$. 52. $\left(n-5\right)\left(n-5\right)\left(n-5\right)$ A) $\left(n-5\right)^2$. B) $\left(n-5\right)$. C) $\left(n-5\right)^3$. D) None of the above. Show Answer Correct Answer: C) $\left(n-5\right)^3$. 53. What is the Exponent?2 x 2 x 2 = 2$^{ ..... }$ A) 4. B) 3. C) 1. D) 2. Show Answer Correct Answer: B) 3. 54. Evaluate:(2x$^{5}$)$^{3}$ A) 8x $^{5} $. B) 8x $^{15} $. C) 802. D) Shit $^{15} $. Show Answer Correct Answer: B) 8x $^{15} $. 55. Solve the following expression (-11)(-11)(-11) A) $-11^3$. B) $-11^2$. C) $11^2$. D) $11^3$. Show Answer Correct Answer: A) $-11^3$. 56. Write the power as a product of the same factor. Then find the value. $3^7$ A) 3 + 3 + 3 + 3 + 3 + 3 + 3 = 2187. B) 3 x 3 x 3 x 3 x 3 x 3 x 3 = 2187. C) 3 x 3 x 3 x 3 x 3 x 3 x 3 = 21. D) 3 + 3 + 3 + 3 x 3 x 3 x 3 = 39. Show Answer Correct Answer: B) 3 x 3 x 3 x 3 x 3 x 3 x 3 = 2187. 57. Which one of the following is equal to $3^{2m}$ A) $3^m\cdot3^m$. B) $6^m\div3^m$. C) $3^m+3^m$. D) $\left(3^m\right)^m$. Show Answer Correct Answer: A) $3^m\cdot3^m$. 58. Consider the power:$4^2$ A) 4. B) 2. C) 8. D) 16. Show Answer Correct Answer: A) 4. 59. What does LCD stand for in mathematics? A) Largest Common Denominator. B) Largest Common Divisor. C) Least Common Denominator. D) Least Common Divisor. Show Answer Correct Answer: C) Least Common Denominator. 60. Evaluate $7^3-3\left(-4\right)^3$ A) 1. B) 27. C) 535. D) 729. Show Answer Correct Answer: C) 535. ← PreviousNext →Related QuizzesMathematics QuizzesClass 7 QuizzesClass 7 Mathematics Chapter 11 Exponents And Powers Quiz 1Class 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 8Class 7 Mathematics Chapter 11 Exponents And Powers Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books