This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Mathematics Chapter 11 Exponents And Powers – Quiz 6 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 11 Exponents And Powers Quiz 6 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. $\left(n-5\right)\left(n-5\right)\left(n-5\right)$ 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) $\left(n-5\right)^3$. 2. What is the Exponent?2 x 2 x 2 = 2$^{ ..... }$ A) 1. B) 2. C) 3. D) 4. Show Answer Correct Answer: C) 3. 3. Evaluate:(2x$^{5}$)$^{3}$ A) 8x $^{15} $. B) Shit $^{15} $. C) 8x $^{5} $. D) 802. Show Answer Correct Answer: A) 8x $^{15} $. 4. Solve the following expression (-11)(-11)(-11) A) $11^3$. B) $11^2$. C) $-11^3$. D) $-11^2$. Show Answer Correct Answer: C) $-11^3$. 5. 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 + 3 + 3 + 3 x 3 x 3 x 3 = 39. C) 3 x 3 x 3 x 3 x 3 x 3 x 3 = 21. D) 3 x 3 x 3 x 3 x 3 x 3 x 3 = 2187. Show Answer Correct Answer: D) 3 x 3 x 3 x 3 x 3 x 3 x 3 = 2187. 6. (5$^{2}$)$^{3}$ A) 5$^{5}$. B) 125$^{6}$. C) 5$^{6}$. D) None of the above. Show Answer Correct Answer: C) 5$^{6}$. 7. Which one of the following is equal to $3^{2m}$ A) $\left(3^m\right)^m$. B) $6^m\div3^m$. C) $3^m\cdot3^m$. D) $3^m+3^m$. Show Answer Correct Answer: C) $3^m\cdot3^m$. 8. Consider the power:$4^2$ A) 4. B) 2. C) 8. D) 16. Show Answer Correct Answer: A) 4. 9. What does LCD stand for in mathematics? A) Least Common Denominator. B) Largest Common Denominator. C) Least Common Divisor. D) Largest Common Divisor. Show Answer Correct Answer: A) Least Common Denominator. 10. Evaluate $7^3-3\left(-4\right)^3$ A) 1. B) 27. C) 535. D) 729. Show Answer Correct Answer: C) 535. 11. Write each product using an exponent. 14 x 14 A) 2$^{ 14}$. B) 14$^{ 2}$. C) 14. D) 14$^{ 14}$. Show Answer Correct Answer: B) 14$^{ 2}$. 12. Evaluate or solve this expression 4$^{2}$ A) 8. B) 6. C) 16. D) 32. Show Answer Correct Answer: C) 16. 13. $\left(\left(4x\right)^2\right)^3$ A) $ hh^w $. B) $-hhh^w $. C) There is no such rule. D) None of the above. Show Answer Correct Answer: A) $ hh^w $. 14. What is the exponent in $12^6$ A) 12. B) 6. C) 18. D) 72. Show Answer Correct Answer: B) 6. 15. The reciprocal of $\left(\frac{3}{9}\right)^{-3}$ A) $\frac{1}{27}$. B) 27. C) $\frac{1}{3}$. D) 3. Show Answer Correct Answer: A) $\frac{1}{27}$. 16. Express 540 as product of powers of its prime factors A) 3$^{4 }$x 5. B) 2$^{2 }$x 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. 17. Write the prime factorization of the number using exponents. 50 A) X. B) 5x10. C) A $^{a} $ dirt. D) 2x5$^{2}$. Show Answer Correct Answer: D) 2x5$^{2}$. 18. What is the value of 2$^{5}$ A) 30. B) 32. C) 40. D) 45. Show Answer Correct Answer: B) 32. 19. Simplify 3a$^{-1}$c$^{-5}$/ d$^{0}$ A) 1. B) 3/ac$^{5}$. C) 3a/c$^{5}$. D) 1/3a$^{1}$c$^{5}$d. Show Answer Correct Answer: B) 3/ac$^{5}$. 20. Write in exponential form:3 x 3 x 3 x 3 A) 3 x 4. B) 3$^{4}$. C) 81. D) 3$^{2}$. Show Answer Correct Answer: B) 3$^{4}$. 21. 000, 000, 000, 000, 000 = A) 10$^{19}$. B) 10$^{12}$. C) 10$^{18}$. D) 10$^{1}$. Show Answer Correct Answer: C) 10$^{18}$. 22. What is 5 x 5 x 5 as a power? A) 15. B) $5^3$. C) 125. D) 555. Show Answer Correct Answer: B) $5^3$. 23. Express 1, 024 in exponential form A) $80^4$. B) $2^9$. C) $153^2$. D) $4^5$. Show Answer Correct Answer: D) $4^5$. 24. In the repeated multiplication-2 x 2 x 2 x 2 x 2, what is the base? A) 2. B) -2. C) 5. D) -5. Show Answer Correct Answer: A) 2. 25. 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) $\frac{1}{6^{-2}}$. ← 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 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 10Class 7 Mathematics Chapter 11 Exponents And Powers Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books