This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Mathematics Chapter 11 Exponents And Powers – Quiz 24 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 11 Exponents And Powers Quiz 24 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. 2 * 2$^{2}$ *2$^{2}$ A) 2$^{4}$. B) 8$^{4}$. C) 36. D) 2$^{5}$. Show Answer Correct Answer: D) 2$^{5}$. 2. (-1)$^{odd number}$= ..... A) Dont know. B) 0. C) 1. D) -1. Show Answer Correct Answer: D) -1. 3. 26) Write the power as a product of the same factor, then find the value:$\left(\frac{1}{4}\right)^3$ A) $\frac{1}{4}\times\frac{1}{4}\times\frac{1}{4}$ $\frac{1}{64}$. B) $\frac{1}{4}\times\frac{1}{4}\times\frac{1}{4}$ $\frac{1}{12}$. C) $\frac{1}{4}\times\frac{1}{4}\times\frac{1}{4}$ $\frac{3}{12}$. D) None of the above. Show Answer Correct Answer: A) $\frac{1}{4}\times\frac{1}{4}\times\frac{1}{4}$ $\frac{1}{64}$. 4. The standard form for 0.000064 is A) 64 X 10$^{-4}$. B) 64 X 10$^{4}$. C) 6.4 X 10$^{5}$. D) 6.4 X 10$^{-5}$. Show Answer Correct Answer: D) 6.4 X 10$^{-5}$. 5. Simplify $\left(4^{-2}\div4^{-3}\right)\times\left(4^2\times4^3\right)$ A) $4$. B) $4^2$. C) $4^4$. D) $4^6$. Show Answer Correct Answer: D) $4^6$. 6. What is scientific notation? A) A long way to write really short numbers. B) A short way to write really large or really small numbers. C) I don't know . D) None of the above. Show Answer Correct Answer: B) A short way to write really large or really small numbers. 7. Write the product in exponential form:2 x 2 x 2 x 2 x 2 x 2 x 2 A) $2^7$. B) $7^2$. C) All the above. D) None of the above. Show Answer Correct Answer: A) $2^7$. 8. Which of the following is in standard form? A) 25. B) 5$^{2}$. C) 5 X 5. D) None of the above. Show Answer Correct Answer: A) 25. 9. 2$^{14}$/2$^{13}$ A) 2. B) -2. C) 1/3. D) 1/2. Show Answer Correct Answer: A) 2. 10. Which is equivalent to (-3)$^{4}$? A) 27. B) 9. C) 81. D) 12. Show Answer Correct Answer: C) 81. 11. Very small numbers can be expressed in standard formusing positive exponents. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 12. Evaluate:$(5^2\cdot5^{-3})$ A) 5. B) 1/5. C) 25. D) 1. Show Answer Correct Answer: B) 1/5. 13. A scientist reports that a bacteria culture contains three to the forth power bacteria. How many bacteria is that? A) 12. B) 81. C) 7. D) 95. Show Answer Correct Answer: B) 81. 14. Write the power as a product of the same factor.5$^{2}$ A) 5 x 2. B) 2 x 5. C) 25. D) 5 x 5. Show Answer Correct Answer: D) 5 x 5. 15. How would you say this power out loud? A) Six four. B) Six and four. C) Six cubed. D) Six to the fourth power. Show Answer Correct Answer: D) Six to the fourth power. 16. What is the value of (2$^{2}$ + 3$^{2}$ + 4$^{2}$)$^{0}$? A) 9. B) 0. C) 1. D) 14. Show Answer Correct Answer: C) 1. 17. $\frac{\left(-5^7\right)}{\left(-5^2\right)}$ A) $-5^5$. B) $-5^9$. C) $1^5$. D) 0. Show Answer Correct Answer: A) $-5^5$. 18. What is 3$^{3}$? A) 6. B) 9. C) 27. D) 54. Show Answer Correct Answer: C) 27. 19. 3(a$^{4 }$b$^{3}$)$^{10 }$X 5(a$^{2}$ b$^{2}$)$^{3}$ A) 8(a$^{6}$ b$^{5}$)$^{13}$. B) 8(a$^{46 }$b$^{36}$). C) 15(a$^{46 }$b$^{36}$). D) 15(a$^{6}$ b$^{5}$)$^{13}$. Show Answer Correct Answer: C) 15(a$^{46 }$b$^{36}$). 20. TRUE/FALSE300 is 10 times as much as 30 A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 21. Multiples shared by two or more numbers. A) Friend chart. B) Common multiples. C) Least common denominator. D) Factor tree. Show Answer Correct Answer: B) Common multiples. 22. Solve using mental math:60 x 900 A) 540. B) 5, 400. C) 54, 000. D) 45, 000. Show Answer Correct Answer: C) 54, 000. 23. 7 x 7 x 7How is this written in exponential form? A) $7^3$. B) $3^7$. C) All the above. D) None of the above. Show Answer Correct Answer: A) $7^3$. 24. Change from standard form to scientific notation:0.004078 A) 4.078 x 10$^{-3}$. B) 4.078 x 10$^{3}$. C) 40.78 x 10$^{-4}$. D) .4078 x 10$^{-2}$. Show Answer Correct Answer: A) 4.078 x 10$^{-3}$. 25. What is the base and exponent of this power:4$^{-6}$ A) Base:4, Exponent:6. B) Base:6, Exponent:-4. C) Base:4, Exponent:-6. D) Base:-6, Exponent:4. Show Answer Correct Answer: C) Base:4, Exponent:-6. ← PreviousNext →Related QuizzesClass 7 Mathematics Chapter 11 Exponents And Powers Quiz 1Class 7 Mathematics Chapter 11 Exponents And Powers Quiz 2Class 7 Mathematics Chapter 11 Exponents And Powers Quiz 3Class 7 Mathematics Chapter 11 Exponents And Powers Quiz 4Class 7 Mathematics Chapter 11 Exponents And Powers Quiz 5Class 7 Mathematics Chapter 11 Exponents And Powers Quiz 6Class 7 Mathematics Chapter 11 Exponents And Powers Quiz 7Class 7 Mathematics Chapter 11 Exponents And Powers Quiz 8Class 7 Mathematics Chapter 11 Exponents And Powers Quiz 9Class 7 Mathematics Chapter 11 Exponents And Powers Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books