This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Mathematics Chapter 11 Exponents And Powers – Quiz 28 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 11 Exponents And Powers Quiz 28 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Simplify $2^8\times2^{-3}\times2^2\times2^{-4}$ A) $2$. B) $2^2$. C) $2^3$. D) $2^4$. Show Answer Correct Answer: C) $2^3$. 2. Simplify the expression using exponential notation:$\frac{m^5n^6}{m}$ A) $m^6n^6$. B) $m^4n^6$. C) $m^3n$. D) $mn$. Show Answer Correct Answer: B) $m^4n^6$. 3. Identify the operation:x$^{3}$ A) Square. B) Square Root. C) Cube. D) Cube Root. Show Answer Correct Answer: C) Cube. 4. Evaluate 9$^{3}$ A) 840. B) 81. C) 9 x 9. D) 729. Show Answer Correct Answer: D) 729. 5. Identify the base. $12^8$ A) 128. B) 12. C) 8. D) 1. Show Answer Correct Answer: B) 12. 6. When dividing powers with the same base, you ..... the exponents. A) Add. B) Subtract. C) Multiply. D) Divide. Show Answer Correct Answer: B) Subtract. 7. Solve. 2$^{3 }$ = A) 6. B) 12. C) 8. D) 1. Show Answer Correct Answer: C) 8. 8. Evaluate 10$^{-5}$ A) 0.01. B) 100, 000. C) 0.00001. D) 1/1, 000, 000. Show Answer Correct Answer: C) 0.00001. 9. $6^2-\left(2^5+3^1\right)$ A) 1. B) -1. C) 11. D) 36. Show Answer Correct Answer: A) 1. 10. Write $a\cdot b\cdot b\cdot a\cdot b$ A) $a^2\cdot b^3$. B) $a^3\cdot b^2$. C) $-a^2\cdot-b^3$. D) None of the above. Show Answer Correct Answer: A) $a^2\cdot b^3$. 11. Which of these areas is a perfect square? A) 12. B) 90. C) 40. D) 64. Show Answer Correct Answer: D) 64. 12. Simplify the expression.1/$^{}$w$^{-5}$ A) 1/w$^{5}$. B) W$^{5}$. C) W$^{-5}$. D) 1/w$^{-5}$. Show Answer Correct Answer: B) W$^{5}$. 13. WHAT IS 2X2X2X2X2X2X2X2X2 A) $2^6$. B) $2^9$. C) $2^8$. D) $2^7$. Show Answer Correct Answer: B) $2^9$. 14. Express the following numbers as powers of ten:100, 000 A) 10$^{4}$. B) 10$^{5}$. C) 10$^{6}$. D) 10$^{7}$. Show Answer Correct Answer: B) 10$^{5}$. 15. Which is equivalent to 5 x 5 x 5 x 5 A) 5$^{3}$. B) 5$^{4}$. C) 4$^{5}$. D) 5$^{5}$. Show Answer Correct Answer: B) 5$^{4}$. 16. $\frac{x^8}{x^4}$ A) $x^4$. B) $x^2$. C) $1^4$. D) None of the above. Show Answer Correct Answer: A) $x^4$. 17. 4$^{3}$ + 2 x 8 A) 75. B) 28. C) 80. D) None of the above. Show Answer Correct Answer: C) 80. 18. 2$^{3 }$means the same as which expression A) 6. B) 2 cubed. C) 5. D) 2 squared. Show Answer Correct Answer: B) 2 cubed. 19. 3$^{0}$ + 5$^{0 }$+ 7$^{0}$ =? A) 15. B) 0. C) 3. D) 8. Show Answer Correct Answer: C) 3. 20. What is the Exponent in the following example?-2$^{5}$ A) -2. B) 2. C) 5. D) -2$^{5}$. Show Answer Correct Answer: C) 5. 21. Simplify the expression.a$^{5}$/b$^{-3}$ A) A$^{5}$/b$^{3}$. B) A$^{5}$$^{}$b$^{3}$. C) B$^{3}$/a$^{5}$. D) A$^{5}$b$^{-3}$. Show Answer Correct Answer: B) A$^{5}$$^{}$b$^{3}$. 22. -hhh + 1 = 21 A) X=120. B) X=5. C) X=30. D) X=-5. Show Answer Correct Answer: D) X=-5. 23. 19) 10 x 10 x 10 A) 3$^{10}$. B) 10$^{3}$. C) 30. D) 300. Show Answer Correct Answer: B) 10$^{3}$. 24. $\left(4h^5\right)\left(-7h\right)$ A) 28 $h^6$. B) -28 $h^5$. C) -28 $h^6$. D) 28 $h^7$. Show Answer Correct Answer: C) -28 $h^6$. 25. Power of a power property A) Take each factor to the exponent. B) Keep the base and multiply the exponent. C) Take each factor to the exponent. D) The find the power of the numerator and denominator. Show Answer Correct Answer: B) Keep the base and multiply the exponent. ← 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