This quiz works best with JavaScript enabled. Home > Class 8 > Class 8 Maths Chapter 12 Exponents And Powers – Quiz 3 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 8 Maths Chapter 12 Exponents And Powers Quiz 3 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 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) $ 5. B) $ 10. C) $ 15. D) $ 20. Show Answer Correct Answer: B) $ 10. 2. 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) $5^{14}$. 3. 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. 4. Find the value of 3 x 10$^{2}$ A) 1000. B) 300. C) 3000. D) 100. Show Answer Correct Answer: B) 300. 5. What is the BASE and ANSWER to this problem 5$^{2}$? A) Base 2, Answer 10. B) Base 5, Answer 25. C) Base 5, Answer 10. D) Base 2, Answer 25. Show Answer Correct Answer: B) Base 5, Answer 25. 6. Which is the CORRECT prime factorization of 18? A) 2 x 9. B) 3 x 6. C) 2 x 3$^{2}$. D) 2$^{9}$. Show Answer Correct Answer: C) 2 x 3$^{2}$. 7. In the expression, 10$^{4}$, the 10 is called the A) Exponent. B) Digit. C) Base Number. D) Ten. Show Answer Correct Answer: C) Base Number. 8. Axaxa bxbxbxb Z A) A raise to 4 b raise3 Z raise 2. B) A raise to 3 b raise to 4 Z raise 1. C) A raise 2 b raise to 5 Z raise to 3. D) None of the above. Show Answer Correct Answer: B) A raise to 3 b raise to 4 Z raise 1. 9. The value of (x$^{5}$)$^{2}$ is ..... A) X$^{7}$. B) X$^{10}$. C) X$^{3}$. D) 1/x$^{10}$. Show Answer Correct Answer: B) X$^{10}$. 10. What is the base in the expression 3$^{4}$? A) 2. B) 3. C) 4. D) 5. Show Answer Correct Answer: B) 3. 11. 2$^{2}$ x 2$^{3}$ x 2$^{4}$ is equal to: A) 2$^{24}$. B) 2$^{-5}$. C) 2$^{9}$. D) 2$^{-9}$. Show Answer Correct Answer: C) 2$^{9}$. 12. What does it mean to square a number? A) To raise it to the power of 2. B) To multiply it by itself three times. C) To add it to itself twice. D) To subtract it from itself. Show Answer Correct Answer: A) To raise it to the power of 2. 13. What does 10$^{0}$ equal? A) 0. B) 1. C) 10. D) 100. Show Answer Correct Answer: B) 1. 14. The point at which two co-ordinates meet is ..... A) Abscissa. B) Ordinate. C) Origin. D) Quadrant. Show Answer Correct Answer: C) Origin. 15. Which of the following shows the exponential form of 10 x 10 x 10 x 10 A) 10$^{3}$. B) 10, 000. C) 10$^{4}$. D) 10 x 4. Show Answer Correct Answer: C) 10$^{4}$. 16. $\left(\left(-\frac{3}{5}\right)^4\times\left(-\frac{3}{5}\right)^3\right)$ 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) $\left(-\frac{3}{5}\right)^7$. 17. Power to a Power Law states:keep the base the same and do this to the exponents. A) Multiply. B) Add. C) Subtract. D) Divide. Show Answer Correct Answer: A) Multiply. 18. 7$^{8}$ x 7 A) 7$^{9}$. B) 49$^{8}$. C) 7$^{8}$. D) 49$^{9}$. Show Answer Correct Answer: A) 7$^{9}$. 19. Which digit is in the millions place in the number 8, 374, 625.1? A) 3. B) 4. C) 8. D) 7. Show Answer Correct Answer: C) 8. 20. According to exponent rules, when we divide powers we ..... the exponents. A) Add. B) Subtract. C) Multiply. D) Divide. Show Answer Correct Answer: B) Subtract. 21. Write the following in standard form:10$^{6}$ A) 0.000001. B) 0.00001. C) 1, 000, 000. D) 100, 000. Show Answer Correct Answer: C) 1, 000, 000. 22. How do you multiply exponents with the same base without using expanding? A) Add the exponents together. B) Multiply the exponents together. C) Subtract the exponents. D) Divide the exponents. Show Answer Correct Answer: A) Add the exponents together. 23. ) Simplify (w$^{3/4}$z$^{8/7}$)(w$^{3/4}$z$^{6/7}$) A) W$^{9/4}$z$^{48/7}$$^{}$. B) W$^{9/16}$z$^{48/49}$. C) W$^{6/4}$z$^{14/7}$. D) W$^{3/2}$z$^{2}$. Show Answer Correct Answer: D) W$^{3/2}$z$^{2}$. 24. $\left(8^{\left(3\right)}\right)^0$ A) 0. B) 1. C) 8. D) 2. Show Answer Correct Answer: B) 1. 25. What is anything raised to the power of zero? A) 0. B) 1. C) Undefined. D) Infinity. Show Answer Correct Answer: B) 1. ← 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 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