This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Mathematics > Exponents And Powers > Class 7 Mathematics Chapter 11 Exponents And Powers – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 11 Exponents And Powers Quiz 7 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. $42\div\left(15-2^3\right)$ A) 12. B) 6. C) 14. D) 4. Show Answer Correct Answer: B) 6. 2. How would you write this expression as a power? $6\times6$ A) 12. B) $2^6$. C) 36. D) $6^2$. Show Answer Correct Answer: D) $6^2$. 3. Solve-5 the second power A) 10. B) 55. C) 5. D) 25. Show Answer Correct Answer: D) 25. 4. (3$^{3}$)(3$^{4}$) A) 3$^{7}$. B) 3$^{12}$. C) 9$^{7}$. D) None of the above. Show Answer Correct Answer: A) 3$^{7}$. 5. Find the value of 11$^{2}$ A) 1211. B) 111. C) 22. D) 121. Show Answer Correct Answer: D) 121. 6. The value of (7$^{-1}$-8$^{-1}$)$^{-1}$-(3$^{-1}$-4$^{-1}$)$^{-1}$ is A) 44. B) 56. C) 68. D) 12. Show Answer Correct Answer: A) 44. 7. 5$^{2 }$, in this example, 5 is the ..... and 2 is the ..... A) Product, base. B) Exponent, base. C) Base, product. D) Base, exponent. Show Answer Correct Answer: D) Base, exponent. 8. (10$^{3}$)$^{3}$ A) 10$^{6}$. B) 10$^{0}$. C) 10$^{9}$. D) 10. Show Answer Correct Answer: C) 10$^{9}$. 9. Find the value of m where, 3$^{m+1}$ x 3$^{2}$ = 3$^{6}$ A) 3. B) 4. C) 2. D) 0. Show Answer Correct Answer: A) 3. 10. $ab\cdot ab\cdot ab\cdot ab\\cdot ab$ A) $ab^5$. B) $ab^9$. C) $ab^{ }$. D) $ab^4$. Show Answer Correct Answer: A) $ab^5$. 11. Can be represented in exponent form as A) $3*10^3+5*10^2+2*10+1$. B) $3*10^4+5*10^3+2*10^2+1*10$. C) $3*10^2+5*10^2+2*10+1$. D) $3*10^2+5*10^2+2*10^2+1$. Show Answer Correct Answer: A) $3*10^3+5*10^2+2*10+1$. 12. Simplify the expression.(x$^{3}$)(x$^{6}$) A) X$^{9}$. B) X$^{36}$. C) X$^{18}$. D) X$^{3}$. Show Answer Correct Answer: A) X$^{9}$. 13. In the expression $5^2$ A) 2. B) 5. C) All the above. D) None of the above. Show Answer Correct Answer: B) 5. 14. Write the expression using exponents 5*5*5*5 A) 9. B) $5^4$. C) $4^5$. D) $20^{ }$. Show Answer Correct Answer: B) $5^4$. 15. Change from standard form to scientific notation:12, 000, 000 A) 1.2 x 10$^{7}$. B) 1.2 x 10$^{6}$. C) 0.12 x 10$^{7}$. D) 12.0 x 10$^{7}$. Show Answer Correct Answer: A) 1.2 x 10$^{7}$. 16. Simplify(3x$^{3}$y$^{5}$)$^{4}$ A) 81x$^{7}$y$^{9}$. B) 3x$^{12}$y$^{20}$. C) 12x$^{12}$y$^{20}$. D) 81x$^{12}$y$^{20}$. Show Answer Correct Answer: D) 81x$^{12}$y$^{20}$. 17. $-5^2\times-3^3$ A) 13632. B) 38223. C) -1251. D) -675. Show Answer Correct Answer: D) -675. 18. What is the value of $[-4]^3$ A) -64. B) -12. C) 12. D) 64. Show Answer Correct Answer: A) -64. 19. Six cubed is the same as A) 6$^{3}$. B) 6$^{1}$. C) 6$^{4}$. D) 6$^{2}$. Show Answer Correct Answer: A) 6$^{3}$. 20. Write (x + 2)(x + 2)(x + 3) using exponents. A) (x + 2)$^{2}$(x + 3). B) (x + 2)$^{3}$. C) (x + 2)(x + 3). D) (x + 3)$^{3}$. Show Answer Correct Answer: A) (x + 2)$^{2}$(x + 3). 21. What do you call the number 4 in 2$^{4}$? A) Base. B) Exponent. C) All the above. D) None of the above. Show Answer Correct Answer: B) Exponent. 22. What is $\left(-16\right)^0$ A) -1. B) -16. C) 16. D) 1. Show Answer Correct Answer: D) 1. 23. Simplify:$\left(-2\right)^3\left(-2\right)^6$ A) (-2). B) $\left(-2\right)^{18}$. C) $\left(-2\right)^3$. D) $\left(-2\right)^9$. Show Answer Correct Answer: D) $\left(-2\right)^9$. 24. Evaluate 5$^{2}$ A) 30. B) 55. C) 10. D) 25. Show Answer Correct Answer: D) 25. 25. Which power represents:9 x 9 x 9 A) 9$^{0}$. B) 9$^{3}$. C) 9$^{2}$. D) 9$^{2}$. Show Answer Correct Answer: B) 9$^{3}$. 26. If the exponent is a negative number the original number was ..... A) A really large number. B) A really small number. C) All the above. D) None of the above. Show Answer Correct Answer: B) A really small number. 27. Evaluate:3$^{3}$ A) 9. B) 57. C) 81. D) 27. Show Answer Correct Answer: D) 27. 28. How would you represent 10x10x10 as a power of ten? A) $-10^3$. B) $10^3$. C) $10^{-3}$. D) $10^2$. Show Answer Correct Answer: B) $10^3$. 29. This number tells how many times to take the base as a factor A) Exponent. B) Perfect square. C) ( ). D) Base. Show Answer Correct Answer: A) Exponent. 30. Evaluate $\left[\left\{\left(\frac{x}{y}\right)^{-16}\right\}^{\frac{1}{2}}\right]^{-\frac{3}{8}}$ A) $\left(\frac{x}{y}\right)^2$. B) $\left(\frac{x}{y}\right)^4$. C) $\left(\frac{x}{y}\right)^3$. D) $\left(\frac{x}{y}\right)^{\frac{3}{8}}$. Show Answer Correct Answer: C) $\left(\frac{x}{y}\right)^3$. 31. What is 2 to the power of 4? A) 8. B) 2. C) 16. D) 4. Show Answer Correct Answer: C) 16. 32. Solve:$\left(1+1\right)^5+3^3$ A) 59. B) 86. C) 62. D) 57. Show Answer Correct Answer: A) 59. 33. 24) Write the power as a product of the same factor, then find the value:3$^{7}$ A) 7 x 7 x 7; 343. B) 3 x 3 x 3 x 3 x 3 x 3 x 3; 2, 187. C) 7 x 7 x 7; 21. D) 3 x 3 x 3 x 3 x 3 x 3 x 3; 21. Show Answer Correct Answer: B) 3 x 3 x 3 x 3 x 3 x 3 x 3; 2, 187. 34. $\frac{1}{a^{-5}}$ A) $\frac{a}{5}$. B) $a^5$. C) $\frac{5}{a}$. D) $a^{-5}$. Show Answer Correct Answer: B) $a^5$. 35. Simplify.10$^{0}$ = A) 1. B) Something else. C) 0. D) 10. Show Answer Correct Answer: A) 1. 36. Another way to say three to the third power is A) Three cubed. B) Three squared. C) All the above. D) None of the above. Show Answer Correct Answer: A) Three cubed. 37. If 9 x 3$^{n}$ = 3$^{6 }$. What is the value of n? A) 2. B) 4. C) 8. D) 6. Show Answer Correct Answer: B) 4. 38. Find the value of the variable $\left(\frac{5}{6}\right)^P=\left(\frac{36}{25}\right)$ A) $-2$. B) $-\frac{1}{2}$. C) $2$. D) $\frac{1}{2}$. Show Answer Correct Answer: A) $-2$. 39. Evaluate:3$^{4}$-(-4)$^{2}$.Write the value in standard form. A) 8. B) 73. C) 65. D) 81. Show Answer Correct Answer: C) 65. 40. Evaluate 12 to the second power A) 144. B) 324. C) 24. D) 12. Show Answer Correct Answer: A) 144. 41. B$^{3}$b$^{4}$b$^{7}$b A) B. B) B$^{84}$. C) B$^{15}$. D) B$^{14}$. Show Answer Correct Answer: C) B$^{15}$. 42. Solve:3 + (2$^{2}$ x 5) A) 60. B) 23. C) 12. D) None of the above. Show Answer Correct Answer: B) 23. 43. 8$^{4 }$Which number is the base of this expression? A) 8. B) 4. C) There is not base. Who needs a base?. D) None of the above. Show Answer Correct Answer: A) 8. 44. In the expression 2$^{5}$, what is the BASE? A) 2. B) 5. C) All the above. D) None of the above. Show Answer Correct Answer: A) 2. 45. Which number is the exponent? $6^3$ A) 6. B) 3. C) They both are the exponent. D) None of them are the exponent. Show Answer Correct Answer: B) 3. 46. Find the value of 1.3$^{2}$: A) 2.6. B) 1.69. C) 1.3 x 1.3. D) 13. Show Answer Correct Answer: B) 1.69. 47. How would you represent the power using factors? $10^2$ A) 10. B) 10 x 2. C) 10 x 10 x 10. D) 10 x 10. Show Answer Correct Answer: D) 10 x 10. 48. According to the Power of Power property, when we raise an exponential expression to a power we ..... the exponents. A) Divide. B) Add. C) Subtract. D) Multiply. Show Answer Correct Answer: D) Multiply. 49. (10$^{4}$)$^{7}$ A) 10*4*7. B) 10$^{28}$. C) 10$^{11}$. D) None of the above. Show Answer Correct Answer: B) 10$^{28}$. 50. What is 5 x 5 x 5 in standard form? A) 555. B) $5^3$. C) 15. D) 125. Show Answer Correct Answer: D) 125. 51. Evaluate:$7^{-2}$ A) $-\frac{1}{49}$. B) $-49$. C) $\frac{1}{49}$. D) $49$. Show Answer Correct Answer: C) $\frac{1}{49}$. 52. Find the value of the variable $a=-2^3$ A) $-9$. B) $6$. C) $-8$. D) $-6$. Show Answer Correct Answer: C) $-8$. 53. If y be any non-zero integer, then y$^{0}$ is equal to A) -1. B) Not defined. C) 0. D) 1. Show Answer Correct Answer: D) 1. 54. How do you use exponents to represent numbers? A) Repeated multiplication. B) Repeated subtraction. C) Repeated addition. D) Repeated division. Show Answer Correct Answer: A) Repeated multiplication. 55. What does GCF stand for? A) Greatest Common Formula. B) Greatest Common Factor. C) Greatest Common Fraction. D) Greatest Common Function. Show Answer Correct Answer: B) Greatest Common Factor. 56. Evaluate 12$^{2}$ A) 122. B) 24. C) 144. D) 12. Show Answer Correct Answer: C) 144. 57. -234$^{9 }$X 12$^{9}$ A) 24. B) 2348$^{8}$. C) -234$^{18}$. D) -2808$^{9}$. Show Answer Correct Answer: D) -2808$^{9}$. 58. What is the product of repeated factors? A) Perfect square. B) Base. C) Exponent. D) Power. Show Answer Correct Answer: D) Power. 59. There are 3 houses on a street. Each of these houses has 7 pink rooms. Each of these rooms has 7 windows. What is an expression to calculate the number of windows in total? A) $7^2$. B) $3\times7^2$. C) 3. D) $3\times7$. Show Answer Correct Answer: B) $3\times7^2$. 60. What is 9$^{3}$ in standard form? A) 840. B) 729. C) 81. D) 9 x 9. Show Answer Correct Answer: B) 729. ← 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 8Class 7 Mathematics Chapter 11 Exponents And Powers Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books