This quiz works best with JavaScript enabled. Home > Class 8 > 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 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Use a calculator to evaluate the power. $12^4$ A) 3. B) 1728. C) 48. D) 20736. Show Answer Correct Answer: D) 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) 50. B) 500. C) 5, 000. D) 5. Show Answer Correct Answer: B) 500. 4. Simplify the expression ((-2w)$^{2}$)$^{3}$ A) -64w$^{5}$. B) 64w$^{5}$. C) 64w$^{6}$. D) -64w$^{6}$. Show Answer Correct Answer: C) 64w$^{6}$. 5. How can you write 1, 000 as a power of 10 using exponents? A) $10^2$. B) $10^3$. C) $10^4$. D) $10^1$. Show Answer Correct Answer: B) $10^3$. 6. What is the value of 10$^{5}$? A) 10, 000. B) 100, 000. C) 1, 000, 000. D) 0.000001. Show Answer Correct Answer: B) 100, 000. 7. $\left(-2\right)^{-2}$ A) $\frac{1}{-4}$. B) $\frac{1}{4}$. C) 2. D) $2^2$. Show Answer Correct Answer: B) $\frac{1}{4}$. 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-.0267)$^{21}$. B) $^{}$8, 500(1-.0294)$^{21}$. C) 10, 000(1-.0294)$^{21}$. D) 8, 500(1-0.267)$^{21}$. Show Answer Correct Answer: A) 10, 000(1-.0267)$^{21}$. 9. Write this expression using positive exponent:x$^{-7}$ A) -7. B) -7x. C) 1/x$^{7}$. D) -1/x$^{7}$. Show Answer Correct Answer: C) 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) 100, 000. B) 10, 000. C) 1, 000, 000. D) 10, 000, 000. Show Answer Correct Answer: A) 100, 000. 12. The sun is about 93 x 10$^{6 }$miles from Earth. What is this distance written as a whole number? A) 9360 miles. B) 930, 000 miles. C) 93, 000, 000 miles. D) 9, 300, 000 miles. Show Answer Correct Answer: C) 93, 000, 000 miles. 13. What is the value of 4$^{2}$ x 4$^{-2}$? A) 16. B) 8. C) 1. D) 0. Show Answer Correct Answer: C) 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 to 5 c raise to 2. B) A raise to 7 b raise 5 c raise to 1. C) A raise to 6 b raise 5 c raise 1. D) A raise to 7 b raise to 4 c raise to 2. Show Answer Correct Answer: C) 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) 1/5$^{2}$. D) -1/10. Show Answer Correct Answer: C) 1/5$^{2}$. 18. You can ..... on me. Like one two three. I'll be there. A) Count. B) Put. C) Be. D) See. Show Answer Correct Answer: A) Count. 19. According to exponent rules, when we raise a power to another exponent we ..... the exponents. A) Add. B) Subtract. C) Multiply. D) Divide. Show Answer Correct Answer: C) Multiply. 20. Which does NOT equal ten cubed? A) 10 x 10 x 10. B) The third power of 10. C) 10 x 10. D) $10^3$. Show Answer Correct Answer: C) 10 x 10. 21. 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. 22. Which base ten exponent is equal to 1, 000? A) $10^2$. B) $10^{1, 000}$. C) $10^3$. D) $1^3$. Show Answer Correct Answer: C) $10^3$. 23. X 1, 000 = A) 37, 600. B) 3, 760. C) 3, 760, 000. D) 376, 000. Show Answer Correct Answer: D) 376, 000. 24. 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. 25. Write in exponential form:9x9x9x9x9x9x9x9 A) 8 raise to 9. B) 8x9. C) 9 raise 7. D) 9 raise 8. Show Answer Correct Answer: D) 9 raise 8. Next →Related 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 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 10Class 8 Maths Chapter 12 Exponents And Powers Quiz 11 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books