This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Mathematics Chapter 11 Exponents And Powers – Quiz 29 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 11 Exponents And Powers Quiz 29 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. $\left(2+3\right)^2=$ A) 5. B) 13. C) 25. D) 56. Show Answer Correct Answer: C) 25. 2. Simplify the expression using exponential notation:$a^2\cdot a^4$ A) $a^6$. B) $a^8$. C) $a^2$. D) $a^{24}$. Show Answer Correct Answer: A) $a^6$. 3. Which among the factor forms has an incorrect standard form? A) 10 x 10 x 10 x 10 x 10 = 100, 000. B) 10 x 10 x 10 x 10 = 10, 000. C) 10 x 10 = 100. D) 10 x 10 x 10 = 10, 000. Show Answer Correct Answer: D) 10 x 10 x 10 = 10, 000. 4. When we square a number, that means it's to the power of ..... ? A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: B) 2. 5. Evaluate the Power $-3^4$ A) 12. B) -12. C) 81. D) -81. Show Answer Correct Answer: D) -81. 6. Find the value of the power. $3^4$ A) $3\times3\times3\times3$. B) $3\times4$. C) 12. D) 81. Show Answer Correct Answer: D) 81. 7. 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$^{5}$. 8. The value of $100^0$ A) 11000. B) 100. C) 0. D) 1. Show Answer Correct Answer: D) 1. 9. THE EXPONENTIAL FORM OF 81 IS ..... A) $3^4$. B) $3^3$. C) $3^2$. D) NONE OF THESE. Show Answer Correct Answer: A) $3^4$. 10. What is the order of operations? A) A method to divide numbers. B) A set of rules used to evaluate a numerical expression. C) A way to multiply numbers quickly. D) A technique to subtract numbers. Show Answer Correct Answer: B) A set of rules used to evaluate a numerical expression. 11. Express the following number in usual form:3.5 x 10$^{-5}$ A) 0.000035. B) 0.00035. C) 0.0000035. D) 0.0035. Show Answer Correct Answer: A) 0.000035. 12. 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. 13. $a^m\div^{ }a^n$ A) Aa. B) $a^{m-n}$. C) $a^{n+m}$. D) Mn. Show Answer Correct Answer: B) $a^{m-n}$. 14. Which one of the following exponent properties is FALSE? A) $2^{3+5}=2^3\times2^5$. B) $\frac{1}{7^{-5}}=7^5$. C) $\left(\frac{3}{2}\right)^{-8}=\frac{2^8}{3^8}$. D) $\frac{6^4}{6^7}=\frac{^1}{6^{-3}}$. Show Answer Correct Answer: D) $\frac{6^4}{6^7}=\frac{^1}{6^{-3}}$. 15. In the expression $2^5$ A) 2. B) 5. C) 10. D) 32. Show Answer Correct Answer: A) 2. 16. 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. 17. 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. 18. 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. 19. Which power represents 10 x 10 x 10 x 10 x 10? A) $100^{10}$. B) $10^2$. C) $10^3$. D) $10^5$. Show Answer Correct Answer: D) $10^5$. 20. Evaluate. $6^2$ A) 8. B) 62. C) 36. D) $12$. Show Answer Correct Answer: C) 36. 21. What is $3^1$ A) 1. B) 3. C) 0. D) Sahur. Show Answer Correct Answer: B) 3. 22. $8^2=64$ A) 8. B) 2. C) 64. D) None of the above. Show Answer Correct Answer: A) 8. 23. $[(1/2)^{-1}+(2/3)^2-(3/4)^0]^{-2}$ A) 81/484. B) 81/169. C) 169/81. D) 16/81. Show Answer Correct Answer: B) 81/169. 24. The value of:-3$^{4}$ is A) 81. B) -12. C) -81. D) 12. Show Answer Correct Answer: C) -81. 25. Find the value (standard form) of the power.nine cubed A) 27. B) 9. C) 729. D) 81. Show Answer Correct Answer: C) 729. ← PreviousNext →Related 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 8Class 7 Mathematics Chapter 11 Exponents And Powers Quiz 9Class 7 Mathematics Chapter 11 Exponents And Powers Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books