This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Maths Chapter 12 Exponents And Powers – Quiz 7 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Maths Chapter 12 Exponents And Powers Quiz 7 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What is the value of $5^0$ A) 0. B) 1. C) 5. D) 10. Show Answer Correct Answer: B) 1. 2. $(2x^3y^4z^5)^8$ A) $256x^{24}y^{32}z^{40}$. B) $256xyz$. C) $16x^{24}y^{32}z^{40}$. D) None of the above. Show Answer Correct Answer: A) $256x^{24}y^{32}z^{40}$. 3. What is the value of 100$^{0}$? A) 1. B) 0. C) 100. D) None of the above. Show Answer Correct Answer: A) 1. 4. Power of a Power means you keep the base and (a) the exponents. A) Divide. B) Subtract. C) Add. D) A. multiply. Show Answer Correct Answer: D) A. multiply. 5. Simplify the expression:$5^3 \times 5^{-1}$ A) $5^2$. B) $5^3$. C) $5^4$. D) $5^{-2}$. Show Answer Correct Answer: A) $5^2$. 6. Which is the base 2$^{3 }$= 8 A) 2. B) 8. C) 3. D) 2 and 3. Show Answer Correct Answer: A) 2. 7. THE VALUE OF \{6$^{-1}$+[3/2]$^{-1}$\}$^{-1}$ IS: A) 6/5. B) -6/-5. C) 5/6. D) 0. Show Answer Correct Answer: A) 6/5. 8. The multiplicative inverse of 7 is: A) 49. B) 5. C) 1/7. D) 14. Show Answer Correct Answer: C) 1/7. 9. 10 x10 x 10 x 10 x 10 A) $10^6$. B) 1, 000, 000. C) Ten to the power of five. D) $10^4$. Show Answer Correct Answer: C) Ten to the power of five. 10. Which is the base3 raise to 4 = 81 A) 81. B) 4. C) 3. D) 3 and 4. Show Answer Correct Answer: C) 3. 11. Simplify $\frac{\left(p^4q^3\right)}{r^3}\times\frac{\left(p^2r^4\right)}{q^3}\times\frac{\left(q^{-2}r^3\right)}{p^{-3}}$ A) A. $p^9q^{-8}r^4$. B) $p^{-9}q^8r^{-4}$. C) $p^9q^8r^{-4}$. D) $p^{-8}q^8r^7$. Show Answer Correct Answer: A) A. $p^9q^{-8}r^4$. 12. FIND THE VALUE OF.(3$^{6}$+5$^{9}$+6$^{7}$+8$^{9}$)$^{0}$ A) 0. B) 1, 85, 30, 20, 18, 88,. C) 965227534. D) 1. Show Answer Correct Answer: D) 1. 13. What is the value of 18$^{1}$? A) 16. B) 18. C) 20. D) 17. Show Answer Correct Answer: B) 18. 14. Rewrite $\frac{3^5}{3^2}$ A) $3 \times 3 \times 3$. B) $3^3$. C) $3 \times 3 \times 3 \times 3 \times 3$. D) $3^2$. Show Answer Correct Answer: B) $3^3$. 15. Express the following in scientific notation:10, 030, 400, 000 A) 1.00304 x 10$^{9}$. B) 1.00304 x 10$^{}$$^{10}$. C) 1.00403 x 10$^{10}$. D) 1.00304 x10$^{-10}$. Show Answer Correct Answer: B) 1.00304 x 10$^{}$$^{10}$. 16. Expand:$\left(\frac{-2}{b}\right)^4$ A) $\left(-2\right)\div b$. B) $\left(-2\right)^4\div b^4$. C) $\left(-2b^4\right)$. D) None of the above. Show Answer Correct Answer: B) $\left(-2\right)^4\div b^4$. 17. What is the result of 7$^{1}$? A) 5. B) 7. C) 10. D) 1. Show Answer Correct Answer: B) 7. 18. 15 x 10$^{2}$ A) 150. B) 1, 500. C) 15, 000. D) 150, 000. Show Answer Correct Answer: B) 1, 500. 19. (-5)103 =? A) Negative. B) Positive. C) Non of these. D) None of the above. Show Answer Correct Answer: A) Negative. 20. If (-2)$^{x}$ =-128, find x A) 7. B) 6. C) 5. D) None of the above. Show Answer Correct Answer: A) 7. 21. Which of the following is equal to $10^2$ A) 10. B) 20. C) 100. D) 1000. Show Answer Correct Answer: C) 100. 22. Simplify:(x$^{3}$y$^{2}$)(xy$^{4}$) A) X$^{3}$y$^{8}$. B) X$^{4}$y$^{6}$. C) X$^{3}$y$^{6}$. D) X$^{4}$y$^{8}$. Show Answer Correct Answer: B) X$^{4}$y$^{6}$. 23. 5b$^{2 }$* 8b A) 45b$^{3}$. B) 40b$^{3}$. C) 13b$^{2}$. D) 5b$^{3}$. Show Answer Correct Answer: B) 40b$^{3}$. 24. (g$^{5}$)$^{8}$ A) G$^{13}$. B) 5g$^{8}$. C) G$^{40}$. D) 8g$^{5}$. Show Answer Correct Answer: C) G$^{40}$. 25. What does the E in PEMDAS stand for? A) Equals. B) Equivalent. C) Exponent. D) Even. Show Answer Correct Answer: C) Exponent. ← PreviousNext →Related QuizzesClass 8 Maths Chapter 12 Exponents And Powers Quiz 1Class 8 Maths Chapter 12 Exponents And Powers Quiz 2Class 8 Maths Chapter 12 Exponents And Powers Quiz 3Class 8 Maths Chapter 12 Exponents And Powers Quiz 4Class 8 Maths Chapter 12 Exponents And Powers Quiz 5Class 8 Maths Chapter 12 Exponents And Powers Quiz 6Class 8 Maths Chapter 12 Exponents And Powers Quiz 8Class 8 Maths Chapter 12 Exponents And Powers Quiz 9Class 8 Maths Chapter 12 Exponents And Powers Quiz 10Class 8 Maths Chapter 12 Exponents And Powers Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books