This quiz works best with JavaScript enabled. Home > Cbse > Class 8 > Mathematics > Exponents And Powers > Class 8 Maths Chapter 12 Exponents And Powers – Quiz 1 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Maths Chapter 12 Exponents And Powers Quiz 1 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Use a calculator to evaluate the power. $12^4$ A) 1728. B) 48. C) 20736. D) 3. Show Answer Correct Answer: C) 20736. 2. (-1) $^{101}$= ..... A) 1. B) -1. C) 101. D) None of the above. Show Answer Correct Answer: B) -1. 3. Which of the following is equal to $5 \times 10^2$ A) 5, 000. B) 500. C) 5. D) 50. Show Answer Correct Answer: B) 500. 4. Simplify the expression ((-2w)$^{2}$)$^{3}$ A) -64w$^{5}$. B) -64w$^{6}$. C) 64w$^{6}$. D) 64w$^{5}$. Show Answer Correct Answer: C) 64w$^{6}$. 5. How can you write 1, 000 as a power of 10 using exponents? A) $10^1$. B) $10^2$. C) $10^3$. D) $10^4$. Show Answer Correct Answer: C) $10^3$. 6. What is the value of 10$^{5}$? A) 1, 000, 000. B) 100, 000. C) 0.000001. D) 10, 000. Show Answer Correct Answer: B) 100, 000. 7. $\left(-2\right)^{-2}$ A) 2. B) $\frac{1}{-4}$. C) $2^2$. D) $\frac{1}{4}$. Show Answer Correct Answer: D) $\frac{1}{4}$. 8. In medieval times there were 10, 000 people living in a city that was struck by a plague so that people began to die at an exponential rate daily. After 6 days, there were only 8, 500 people living. How many were living after three weeks? A) 10, 000(1-.0294)$^{21}$. B) 10, 000(1-.0267)$^{21}$. C) 8, 500(1-0.267)$^{21}$. D) $^{}$8, 500(1-.0294)$^{21}$. Show Answer Correct Answer: B) 10, 000(1-.0267)$^{21}$. 9. Write this expression using positive exponent:x$^{-7}$ A) -1/x$^{7}$. B) 1/x$^{7}$. C) -7x. D) -7. Show Answer Correct Answer: B) 1/x$^{7}$. 10. Simplify $\frac{27x^3y^6}{9xy^2}$ A) $3x^3y^4$. B) $18x^2y^4$. C) $3x^2y^4$. D) None of the above. Show Answer Correct Answer: C) $3x^2y^4$. 11. 10$^{5}$ is which value? A) 1, 000, 000. B) 100, 000. C) 10, 000. D) 10, 000, 000. Show Answer Correct Answer: B) 100, 000. 12. The sun is about 93 x 10$^{6 }$miles from Earth. What is this distance written as a whole number? A) 9, 300, 000 miles. B) 9360 miles. C) 930, 000 miles. D) 93, 000, 000 miles. Show Answer Correct Answer: D) 93, 000, 000 miles. 13. What is the value of 4$^{2}$ x 4$^{-2}$? A) 16. B) 1. C) 0. D) 8. Show Answer Correct Answer: B) 1. 14. A binomial is an algebraic expression with: ..... A) Degree 2. B) Two terms. C) Two variables. D) None of the above. Show Answer Correct Answer: B) Two terms. 15. We use this when the base is a negative number or a fraction A) A base. B) A perfect square. C) ( ). D) Factor. Show Answer Correct Answer: C) ( ). 16. Axaxaxaxaxa bxbxbxbxb c A) A raise to 6 b raise 5 c raise 1. B) A raise to 7 b raise 5 c raise to 1. C) A raise to 7 b raise to 4 c raise to 2. D) A raise to 6 b raise to 5 c raise to 2. Show Answer Correct Answer: A) A raise to 6 b raise 5 c raise 1. 17. Rewrite 5$^{-2}$ as a fraction A) -10/1. B) -1/5$^{2}$. C) -1/10. D) 1/5$^{2}$. Show Answer Correct Answer: D) 1/5$^{2}$. 18. You can ..... on me. Like one two three. I'll be there. A) Be. B) See. C) Count. D) Put. Show Answer Correct Answer: C) Count. 19. Which does NOT equal ten cubed? A) $10^3$. B) The third power of 10. C) 10 x 10 x 10. D) 10 x 10. Show Answer Correct Answer: D) 10 x 10. 20. IF [4/9]$^{4 }$* [4/9]$^{-7}$ = [4/9]$^{2x-1}$ A) 4/5. B) 0. C) 9. D) NONE OF THESE. Show Answer Correct Answer: D) NONE OF THESE. 21. Which base ten exponent is equal to 1, 000? A) $10^3$. B) $10^{1, 000}$. C) $10^2$. D) $1^3$. Show Answer Correct Answer: A) $10^3$. 22. 12 raise to 3 6 raise to 3 A) 18 raise to 3. B) 17 raise to 3. C) 16 raise to 3. D) None of the above. Show Answer Correct Answer: A) 18 raise to 3. 23. Write in exponential form:9x9x9x9x9x9x9x9 A) 9 raise 7. B) 8x9. C) 9 raise 8. D) 8 raise to 9. Show Answer Correct Answer: C) 9 raise 8. 24. If a number or variable does not have an exponent, we can assume the exponent is: A) 0. B) 1. C) All the above. D) None of the above. Show Answer Correct Answer: B) 1. 25. Use a calculator to evaluate the power. $15^2$ A) 225. B) 3375. C) 7.5. D) 30. Show Answer Correct Answer: A) 225. 26. Which does NOT equal 100? A) Ten squared. B) $10^2$. C) 10 x 10. D) $10^1$. Show Answer Correct Answer: D) $10^1$. 27. Simplify the expression:$(4^2) \times (4^{-3})$ A) $4^0$. B) $4^2$. C) $4^{-1}$. D) $4^1$. Show Answer Correct Answer: C) $4^{-1}$. 28. A POINT ON X AXIS IS ..... A) (8, 0). B) (9, 7). C) (1, 1). D) (0, 6). Show Answer Correct Answer: A) (8, 0). 29. The exponential form of 125 is A) 5 raised to the power 3. B) 5 raised to the power 4. C) 5 raised to the power 5. D) None of the above. Show Answer Correct Answer: A) 5 raised to the power 3. 30. Write the exponent in word form.10 x 10 A) 100. B) Two hundred. C) The second power of 10. D) Two tens. Show Answer Correct Answer: C) The second power of 10. 31. Use a calculator to evaluate the power. $11^5$ A) 14641. B) 2. C) 55. D) 161051. Show Answer Correct Answer: D) 161051. 32. What is the value of 4$^{-1}$? A) 1/4. B) 1/2. C) 4. D) 2. Show Answer Correct Answer: A) 1/4. 33. Simplify and leave the answer in exponent form:$\left(\frac{6}{7}\right)^{-2}\times\left(\frac{7}{6}\right)^{-2}$ A) $\frac{7}{6}$. B) 1. C) $-\left(\frac{6}{7}\right)$. D) $\left(\frac{6}{7}\right)$. Show Answer Correct Answer: B) 1. 34. 1 micron = 1/1000000 m. which of the following is its standard form? A) 1.0 x 10$^{-6}$. B) 0.1 x 10$^{-6}$. C) 1.6 x 10$^{-5}$. D) 1.1 x 10$^{-5}$. Show Answer Correct Answer: A) 1.0 x 10$^{-6}$. 35. 3$^{2 }$*3$^{2}$ A) 3$^{2}$. B) 9$^{4}$. C) 9$^{2}$. D) 3$^{4}$. Show Answer Correct Answer: D) 3$^{4}$. 36. Simplify:(x$^{3}$)(x$^{2}$) A) X$^{6}$. B) X$^{1.5}$. C) X$^{5}$. D) X. Show Answer Correct Answer: C) X$^{5}$. 37. What is the base in an exponential expression? A) The base is the number that is added to itself. B) The base is the result of the exponential operation. C) The base is the exponent in the expression. D) The base is the number that is being multiplied by itself. Show Answer Correct Answer: D) The base is the number that is being multiplied by itself. 38. The value of (-2) raised to the power 4 is A) 8. B) 16. C) -8. D) -16. Show Answer Correct Answer: B) 16. 39. Which equals ..... 100, 000, 000, 000 A) 10$^{11}$. B) 10$^{20}$. C) 10$^{100}$. D) 10$^{10}$. Show Answer Correct Answer: A) 10$^{11}$. 40. How do you say 4$^{3 }$? A) 4 to the power of 2. B) 4 squared. C) 4 cubed. D) 3 quadrupled. Show Answer Correct Answer: C) 4 cubed. 41. The value of X in the expression is (-2)$^{3}$ x (-2)$^{-6}$ = (-2)$^{2x-1}$ A) 4. B) 2. C) -1. D) -2. Show Answer Correct Answer: C) -1. 42. Simplify the expression:$9^0 + 9^1$ A) 1. B) 9. C) 10. D) 0. Show Answer Correct Answer: C) 10. 43. (-2)$^{-2}$ is equal to A) 1/4. B) -1/4. C) -1/2. D) 1/2. Show Answer Correct Answer: A) 1/4. 44. What is the value of $10^{-2}$ A) 1. B) 0.01. C) 0.1. D) 10. Show Answer Correct Answer: B) 0.01. 45. How do you multiply two powers with the same base, like 2$^{3}$ and 2$^{4}$? A) Multiply the bases and keep the exponent the same:2$^{3}$ * 2$^{4}$ = 2$^{4}$. B) Add the exponents:2$^{3+4}$ = 2$^{7}$. C) Subtract the exponents:2$^{3}$-2$^{4}$ = 2$^{-1}$. D) Multiply the exponents:2$^{3}$ * 2$^{4}$ = 2$^{12}$. Show Answer Correct Answer: B) Add the exponents:2$^{3+4}$ = 2$^{7}$. 46. Two brothers went shopping at a back-to-school sale where all shirts and shorts were the same price. The younger brother spent $ 175 on 7 new shirts and 7 pairs of shorts. The older brother purchased 6 new shirts and 7 pairs of shorts and paid a total of $ 165. How much did one shirt cost? A) $ 20. B) $ 10. C) $ 15. D) $ 5. Show Answer Correct Answer: B) $ 10. 47. Simplify the product as a single power. $125^2\cdot25^4$ A) $5^6$. B) $5^8$. C) $5^{14}$. D) None of the above. Show Answer Correct Answer: C) $5^{14}$. 48. What is the value of 'hundreds' in the place value chart? A) 10. B) 100. C) 1, 000. D) 10, 000. Show Answer Correct Answer: B) 100. 49. Find the value of 3 x 10$^{2}$ A) 300. B) 3000. C) 1000. D) 100. Show Answer Correct Answer: A) 300. 50. What is the BASE and ANSWER to this problem 5$^{2}$? A) Base 5, Answer 25. B) Base 2, Answer 25. C) Base 5, Answer 10. D) Base 2, Answer 10. Show Answer Correct Answer: A) Base 5, Answer 25. 51. Which is the CORRECT prime factorization of 18? A) 2$^{9}$. B) 2 x 9. C) 2 x 3$^{2}$. D) 3 x 6. Show Answer Correct Answer: C) 2 x 3$^{2}$. 52. In the expression, 10$^{4}$, the 10 is called the A) Base Number. B) Exponent. C) Ten. D) Digit. Show Answer Correct Answer: A) Base Number. 53. The value of (x$^{5}$)$^{2}$ is ..... A) X$^{7}$. B) X$^{3}$. C) X$^{10}$. D) 1/x$^{10}$. Show Answer Correct Answer: C) X$^{10}$. 54. What is the base in the expression 3$^{4}$? A) 4. B) 3. C) 5. D) 2. Show Answer Correct Answer: B) 3. 55. 2$^{2}$ x 2$^{3}$ x 2$^{4}$ is equal to: A) 2$^{9}$. B) 2$^{-9}$. C) 2$^{-5}$. D) 2$^{24}$. Show Answer Correct Answer: A) 2$^{9}$. 56. What does it mean to square a number? A) To add it to itself twice. B) To raise it to the power of 2. C) To multiply it by itself three times. D) To subtract it from itself. Show Answer Correct Answer: B) To raise it to the power of 2. 57. What does 10$^{0}$ equal? A) 1. B) 0. C) 100. D) 10. Show Answer Correct Answer: A) 1. 58. The point at which two co-ordinates meet is ..... A) Origin. B) Ordinate. C) Abscissa. D) Quadrant. Show Answer Correct Answer: A) Origin. 59. Which of the following shows the exponential form of 10 x 10 x 10 x 10 A) 10, 000. B) 10$^{4}$. C) 10 x 4. D) 10$^{3}$. Show Answer Correct Answer: B) 10$^{4}$. 60. $\left(\left(-\frac{3}{5}\right)^4\times\left(-\frac{3}{5}\right)^3\right)$ A) $\left(-\frac{3}{5}\right)^7$. B) $\left(-\frac{3}{5}\right)^5$. C) $\left(\frac{3}{5}\right)^7$. D) None of the above. Show Answer Correct Answer: A) $\left(-\frac{3}{5}\right)^7$. Next →Related QuizzesMathematics QuizzesClass 8 QuizzesClass 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 7 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books