This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Maths Chapter 12 Exponents And Powers – Quiz 18 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Maths Chapter 12 Exponents And Powers Quiz 18 (22 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Simplify the expression (5$^{3}$x$^{2}$y$^{4}$)$^{0}$ A) 5xy. B) 1. C) 0. D) 5. Show Answer Correct Answer: B) 1. 2. What is the value of the expression below? $\left(-2\right)^4$ A) 2. B) -8. C) 16. D) -16. Show Answer Correct Answer: C) 16. 3. Simplify the following expression:(xyz)$^{0}$ = A) 0. B) 1. C) Xyz. D) -1. Show Answer Correct Answer: B) 1. 4. 2 .sum of parallel sides of a trapezium is 26m and its area is 156 square metres, then distance between the parallel side of the trapezium is A) 14 m. B) 13 m. C) 12 m. D) 11 m. Show Answer Correct Answer: C) 12 m. 5. 13 x 10$^{3}$ A) 13, 000. B) 130, 000. C) 130. D) 13, 300. Show Answer Correct Answer: A) 13, 000. 6. 1) 1 MICRON IS EQUALE TO 1/1000000 m. A) 1 * 10$^{-6}$. B) 1 * 10$^{4}$. C) 1 * 10$^{-8}$. D) NONE OF THESE. Show Answer Correct Answer: A) 1 * 10$^{-6}$. 7. What is another way to write 10$^{3}$ A) 10. B) 30. C) 100. D) 1, 000. Show Answer Correct Answer: D) 1, 000. 8. According to exponent rules, when we divide powers with the same base we ..... the exponents. A) Add. B) Subtract. C) Multiply. D) Divide. Show Answer Correct Answer: B) Subtract. 9. (7 x 10$^{3}$ ) + (3 x 10$^{2}$) + ( 9 x 10$^{1}$) + (2 x 10$^{0}$) A) 70, 392. B) 73, 092. C) 7, 392. D) 73, 920. Show Answer Correct Answer: C) 7, 392. 10. Algebraic Rule for the Product of Powers (explain your rule using symbols):$x^a\cdot x^b$ A) $x^{a+b}$. B) $x^{a-b}$. C) $x^{ab}$. D) $x^{a/b}$. Show Answer Correct Answer: A) $x^{a+b}$. 11. 7$^{2}$x 7$^{7}$x7$^{0}$x7$^{5}$x 7 is equal to ..... A) 7$^{0}$. B) 1. C) 7$^{15}$. D) 7$^{16}$. Show Answer Correct Answer: C) 7$^{15}$. 12. (6x$^{2}$)(-3x$^{5}$) A) 18x$^{7}$. B) -18x$^{7}$. C) 18x$^{10}$. D) 3$^{}$x$^{7}$. Show Answer Correct Answer: B) -18x$^{7}$. 13. The exponential form of 32 is A) 2 raised to the power 3. B) 2 raised to the power 4. C) 2 raised to the power 5. D) None of the above. Show Answer Correct Answer: C) 2 raised to the power 5. 14. $(256a^{16}\div81b^4)^{-\frac{3}{4}}$ A) $\frac{27}{64}a^{-12}b^3$. B) $\frac{27}{64}a^{12}b^3$. C) $\frac{27}{64}a^{12}b^{-3}$. D) $\frac{64}{27}a^{-12}b^3$. Show Answer Correct Answer: A) $\frac{27}{64}a^{-12}b^3$. 15. What is 2$^{3}$ x 2$^{2}$? A) 2$^{4}$ = 16. B) 2$^{5}$ = 32. C) 2$^{6}$ = 64. D) 2$^{3}$ = 8. Show Answer Correct Answer: B) 2$^{5}$ = 32. 16. $\frac{3}{100}$ A) 0.3. B) 3. C) 0.003. D) 0.03. Show Answer Correct Answer: D) 0.03. 17. $10\times10\times10\times10$ A) $4^{10}$. B) $10^4$. C) $40$. D) $14$. Show Answer Correct Answer: B) $10^4$. 18. What is the term for the result of an exponentiation? A) The base. B) The exponent. C) The power. D) The root. Show Answer Correct Answer: C) The power. 19. Simplify and write the answer in exponential form:$\left(8^{50}\right)^3$ A) $8^{15}$. B) $8^{150}$. C) $8^{53}$. D) $8^{47}$. Show Answer Correct Answer: B) $8^{150}$. 20. How is 65950 expressed in standard form? A) $6.595\times10^{-4}$. B) $6.595\times10^4$. C) $65.95\times10^3$. D) $65.95\times10^4$. Show Answer Correct Answer: B) $6.595\times10^4$. 21. 19$^{5}$/17$^{5}$ will give the value is ..... A) (19/17)$^{10}$. B) (17/19)$^{5}$. C) (19/17)$^{5}$. D) (19/17)$^{0}$. Show Answer Correct Answer: C) (19/17)$^{5}$. 22. Sanjeev has 10$^{3 }$rings. If Sanjeev gives 10$^{2 }$rings away to jiya, how many rings does sanjeev have left? A) 1900. B) 920. C) 900. D) 9. Show Answer Correct Answer: C) 900. ← PreviousRelated 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 7Class 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 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books