This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Maths Chapter 12 Exponents And Powers – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Maths Chapter 12 Exponents And Powers Quiz 14 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. An example of a perfect square is A) 2. B) 16. C) 30. D) None of the above. Show Answer Correct Answer: B) 16. 2. Ten squared is the same as A) $10^2$. B) $10^1$. C) $10^3$. D) $10^0$. Show Answer Correct Answer: A) $10^2$. 3. Simplify:(6$^{5}$)$^{3}$ A) 6$^{8}$. B) 6$^{2}$. C) 6$^{10}$. D) 6$^{15}$. Show Answer Correct Answer: D) 6$^{15}$. 4. The exponential form of 625 is: A) 5$^{5}$. B) 6$^{2}$. C) 5$^{4}$. D) 5$^{3}$. Show Answer Correct Answer: C) 5$^{4}$. 5. What is the value of 10$^{0}$? A) 0. B) 1. C) 10. D) 100. Show Answer Correct Answer: B) 1. 6. Which is the correct definition of like terms? A) A number that stays fixed in an expression,. B) To make an expression or equation smaller by combining like terms. C) Terms that have the same variables and powers(exponents). D) A number multiplied by a variable. Show Answer Correct Answer: C) Terms that have the same variables and powers(exponents). 7. What step would I do second? (4-2) x 9 + 7 A) Multiplication. B) Subtraction. C) Addition. D) Dividing. Show Answer Correct Answer: A) Multiplication. 8. 9x9x9x9 A) 9 raise to 6. B) 9 raise to 8. C) 9 raise to 7. D) 9 raise to 5. Show Answer Correct Answer: A) 9 raise to 6. 9. What is the value of $2^4 + 2^3$ A) 16. B) 18. C) 20. D) 24. Show Answer Correct Answer: C) 20. 10. Express the following in exponential form:a x a x a x a x b x b x b x c x c x c x c A) $a^3b^3c^3$. B) $a^3b^4c^3$. C) $a^4b^3c^4$. D) None of the above. Show Answer Correct Answer: C) $a^4b^3c^4$. 11. 5 x 10$^{6 }$written in standard form is A) 5, 000, 000. B) 50, 000, 000. C) 500, 000. D) 5 x 10$^{6 }$is already in standard form. Show Answer Correct Answer: A) 5, 000, 000. 12. (9 x 10$^{4}$ ) + (8 x 10$^{2}$ ) + (5 x 10$^{1}$) + (7 x 10$^{0}$ ) A) 90, 857. B) 9, 857. C) 98, 057. D) 98, 570. Show Answer Correct Answer: A) 90, 857. 13. What expression is equivalent to $10^{27}\cdot10^5$ A) 2020. B) 2021. C) $10^{32}$. D) $10^{135}$. Show Answer Correct Answer: C) $10^{32}$. 14. Simplify $2^4\cdot2^5$ A) 2$^{20}$. B) 4$^{9}$. C) 4$^{20}$. D) 2$^{9}$. Show Answer Correct Answer: D) 2$^{9}$. 15. In the expression, 10$^{4}$, the 4 is called the A) Exponent. B) Digit. C) Base Number. D) Four. Show Answer Correct Answer: A) Exponent. 16. Find the value.6 x 10$^{2}$ A) 12. B) 120. C) 60. D) 600. Show Answer Correct Answer: D) 600. 17. Find the value.4 x 10$^{3}$ A) 40. B) 400. C) 120. D) 4, 000. Show Answer Correct Answer: D) 4, 000. 18. (-1)$^{50}$ is equal to A) 1. B) -1. C) 50. D) -50. Show Answer Correct Answer: A) 1. 19. $\left(-1\right)^{50}$ A) -50. B) 1. C) (-1). D) 50. Show Answer Correct Answer: B) 1. 20. (2$^{-1}$ + 3$^{-1}$ + 5$^{-1}$)$^{0}$ is equal to A) 31/30. B) 0. C) 1. D) 3. Show Answer Correct Answer: C) 1. 21. 2n$^{4}$ * 6$^{}$n$^{4}$ A) 8n$^{4}$. B) 12n$^{8}$. C) 8n$^{16}$. D) None of the above. Show Answer Correct Answer: B) 12n$^{8}$. 22. What is the value of $\left(3^0-4^0\right)\\times5^2$ A) 25. B) 0. C) -25. D) 1. Show Answer Correct Answer: B) 0. 23. What is the value of 'ten thousandths' in the place value chart? A) 0.1. B) 0.01. C) 0.001. D) 0.0001. Show Answer Correct Answer: D) 0.0001. 24. Simplify and express in the exponential form:$\left(\frac{a^5}{a^3}\right)\times a^8$ A) $a^3$. B) $a^5$. C) $a^{12}$. D) $a^{10}$. Show Answer Correct Answer: D) $a^{10}$. 25. When dividing powers with the same base ..... A) You stare into space hoping for a flyby alien to tell you the answer. B) Divide the bases and subtract the exponent. C) You chant your mantra "OOOH Please save me from this nightmare (repeat). D) Keep the base, subtract the exponents. Show Answer Correct Answer: D) Keep the base, subtract the exponents. ← 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 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