This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Mathematics > Exponents And Powers > Class 7 Mathematics Chapter 11 Exponents And Powers – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 11 Exponents And Powers Quiz 5 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Compare the following numbers and choose the greater:(2.45 x 10$^{19}$) and (34.5 x 10$^{23}$) A) (2.45 x 10$^{19}$). B) (34.5 x 10$^{23}$). C) All the above. D) None of the above. Show Answer Correct Answer: B) (34.5 x 10$^{23}$). 2. Find the product. $3x^4\cdot4x^4$ A) $^8 $. B) $12x^4$. C) $12x^8$. D) $ lo^{16} $. E) $^h $. Show Answer Correct Answer: C) $12x^8$. 3. In the expression $3^4$ A) 3. B) 81. C) 4. D) 12. Show Answer Correct Answer: C) 4. 4. Write each product using an exponent:8.2 x 8.2 X 8.2 A) 2.8$^{3}$. B) 8.2. C) 8.2$^{4}$. D) 8.2$^{3}$. Show Answer Correct Answer: D) 8.2$^{3}$. 5. Kh.Medicine = 30 A) X = 36. B) X = 24. C) X = 180. D) X = 5. Show Answer Correct Answer: D) X = 5. 6. 10$^{3}$ is equal to A) 100. B) 1, 000. C) 10, 000. D) 10. Show Answer Correct Answer: B) 1, 000. 7. The standard form of 12300000 is A) 0.00000123. B) $1.234\times10^8$. C) 567434. D) None of the above. Show Answer Correct Answer: B) $1.234\times10^8$. 8. $\left(4qm^2p^2\right)^4$ A) $16q^5m^6p^6$. B) $256q^5m^6p^6$. C) $ 256k^World Cup^8p^8 $. D) $ 16ya^World Cup^BP^6 $. Show Answer Correct Answer: C) $ 256k^World Cup^8p^8 $. 9. $ (X^Ay^4 g^Kh)^Z $ A) $256x^{24}y^{32}z^{40}$. B) $256xyz$. C) $16x^{24}y^{32}z^{40}$. D) None of the above. Show Answer Correct Answer: A) $256x^{24}y^{32}z^{40}$. 10. Evaluate x$^{3}$-y$^{2}$.if x=2 and y= 3/4.Express your answer in simplest form. A) 6. B) 7 7/16. C) 7.4371. D) 4.5. Show Answer Correct Answer: B) 7 7/16. 11. How do you say 3$^{3}$ in words? A) Three squared. B) Three cubed. C) All the above. D) None of the above. Show Answer Correct Answer: B) Three cubed. 12. THE VALUE OF $5^{-2}$ $25$ A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 13. If x = 3, what is the value of x$^{3}$-2 A) 25. B) 15. C) 7. D) 1. Show Answer Correct Answer: A) 25. 14. Multiplicative inverse of 2$^{7}$ is A) 7$^{-2}$. B) 2$^{-7}$. C) -2$^{7}$. D) 7$^{2}$. Show Answer Correct Answer: B) 2$^{-7}$. 15. What is an expression that contains only numbers and operations? A) Numerical expression. B) Exponent. C) Base. D) Perfect square. Show Answer Correct Answer: A) Numerical expression. 16. 2x$^{4}$y$^{5 }$* 3x$^{2}$y$^{7}$ A) -6x$^{6}$y$^{12}$. B) 6x$^{6}$y$^{12}$. C) 6x$^{2}$y$^{2}$. D) -1x $^{6} $ y $^{-2} $. Show Answer Correct Answer: B) 6x$^{6}$y$^{12}$. 17. Simplify the expression $3^3.3^{-2}$ A) $3^3$. B) $3^{-4}$. C) 9. D) 3. Show Answer Correct Answer: D) 3. 18. What is 10$^{0 }$equivalent to? A) 0. B) 10. C) 100. D) 1. Show Answer Correct Answer: D) 1. 19. Who is Snow White's Villain? A) Queen of Hearts. B) Scar. C) The Evil Queen. D) Ursula. Show Answer Correct Answer: C) The Evil Queen. 20. (8)$^{-3}$ expressed as power with base 2 is ..... A) 2$^{-9}$. B) 2$^{-6}$. C) 2$^{9}$. D) 2$^{-3}$. Show Answer Correct Answer: A) 2$^{-9}$. 21. Write with positive exponents:1/a$^{-2}$ A) A$^{-2}$. B) A$^{2}$. C) 1/a$^{1}$. D) None of the above. Show Answer Correct Answer: B) A$^{2}$. 22. Find the variable.13 + q = 56 A) 43. B) 42. C) Q. D) 40. Show Answer Correct Answer: A) 43. 23. $^{}$ 8$^{5}$/8$^{2}$$^{}$ A) 8$^{7}$. B) 1$^{3}$. C) 8$^{3}$. D) None of the above. Show Answer Correct Answer: C) 8$^{3}$. 24. The Product of Powers Rule states when multiplying powers with ..... base then ..... the exponents. A) Same:Multiply. B) Same:Subtract. C) Same:Add. D) Different:Factor. Show Answer Correct Answer: C) Same:Add. 25. If the equation below is true, what is the missing exponent? $\frac{\left(a^2\cdot a^3\right)^4}{a^7}=?$ A) $a^{13}$. B) A13 Mathematical EquivalenceON. C) All the above. D) None of the above. Show Answer Correct Answer: A) $a^{13}$. 26. Third power of any number is called ..... A) Square. B) Cube. C) Power. D) Exponent. Show Answer Correct Answer: B) Cube. 27. SOLVE:$\frac{1}{27}\times3^{-3}$ A) $2^{3\times2}$. B) $3^{-6}$. C) $3^6$. D) $3^{2\times6}$. Show Answer Correct Answer: B) $3^{-6}$. 28. Which of the following is equivalent to the expression $x^4$ A) $4\times4\times4\times4$. B) 4+x. C) Hh. D) $x\times x\times x\times x$. Show Answer Correct Answer: D) $x\times x\times x\times x$. 29. 10$^{5 }$is equivalent to which number A) 1. B) 10 x 10 x 10 x 10 x 10. C) 1, 000, 000. D) 0.00001. Show Answer Correct Answer: B) 10 x 10 x 10 x 10 x 10. 30. Which is GREATER?2$^{7}$ or 7$^{2}$ A) 2$^{7}$. B) 7$^{2}$. C) Neither, they are equal. D) None of the above. Show Answer Correct Answer: A) 2$^{7}$. 31. Write the expression using exponents.76 76 A) 76 * 2. B) 76$^{3}$. C) 76$^{2}$. D) 5776. Show Answer Correct Answer: C) 76$^{2}$. 32. What is equal to 6$^{4}$ A) 6. B) 4$^{6}$. C) 6 x 6 x 6 x 6. D) 6 x 6 x 6. Show Answer Correct Answer: C) 6 x 6 x 6 x 6. 33. Find the exponential form of 10, 000 A) 5$^{4}$. B) 10$^{4}$. C) 5$^{2}$. D) 10$^{2}$. Show Answer Correct Answer: B) 10$^{4}$. 34. Anything to the power of zero is equal to ..... Example:$x^0\\\\or\\\\4^0$ A) 0. B) 1. C) X. D) None of the above. Show Answer Correct Answer: B) 1. 35. Write the expression using exponents.n*n*p*p*r*r*r A) $n^2\cdot p^2\cdot r^3$. B) Npr. C) $n\cdot p\cdot r^7$. D) $2^n\cdot2^p\cdot3^r$. Show Answer Correct Answer: A) $n^2\cdot p^2\cdot r^3$. 36. Evaluate the expression:$3^{-2}$ A) 3. B) -1/9. C) 1/9. D) 1/3. Show Answer Correct Answer: C) 1/9. 37. Which expression is evaluated first?(18-14)$^{2}$-6 x 10 A) 6 x 10. B) 4$^{2}$. C) 18-14. D) 16-6. Show Answer Correct Answer: C) 18-14. 38. What is.0003 written in scientific notation? A) 3 x10$^{-4}$. B) 3 x 10$^{4}$. C) 3 x10 $^{3} $. D) 3 x10 $^{-3} $. Show Answer Correct Answer: A) 3 x10$^{-4}$. 39. Division Law states:keep the base the same and do this to the exponents. A) Add. B) Multiply. C) Subtract. D) Divide. Show Answer Correct Answer: C) Subtract. 40. Express each of the following as a product of prime factors only in exponential form:729 x 64 A) 3$^{4}$ x 2$^{6}$. B) 3$^{6}$ x 2$^{6}$. C) 3$^{5}$ x 7$^{2}$. D) None of the above. Show Answer Correct Answer: B) 3$^{6}$ x 2$^{6}$. 41. $m\cdot m\cdot m\cdot m\cdot m$ A) $m^5$. B) $m^{-5}$. C) $5^5$. D) $m^6$. Show Answer Correct Answer: A) $m^5$. 42. Write y $^{.}$ y$^{.}$ y $^{. }$y using exponents. A) Y$^{ 5}$. B) Y $^{4}$. C) And $^{y} $. D) Y $^{2}$. Show Answer Correct Answer: B) Y $^{4}$. 43. Evaluate:3$^{5}$ A) 243. B) 27. C) 81. D) 9. Show Answer Correct Answer: A) 243. 44. $\left(4^{-1}+6^{-1}\right)\times24=x-1$ A) 7. B) 11. C) 12. D) 10. Show Answer Correct Answer: B) 11. 45. True or false:$4^3\times4^5=4^{15}$ A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 46. How do you write this in exponent form?4 * 4 * 4 * 4 * 4 * 4 * 4 * 4 A) 4$^{8}$. B) 7$^{4}$. C) 65, 536. D) 4$^{7}$. Show Answer Correct Answer: A) 4$^{8}$. 47. Evaluate:$1^{-5}$ A) -1. B) 0. C) 5. D) 1. Show Answer Correct Answer: D) 1. 48. Express 750000000 in standard form. A) 7.5 x 10$^{9}$. B) 7.5 x 10$^{10}$. C) 75x10$^{6}$. D) 7.5 x 10$^{8}$. Show Answer Correct Answer: D) 7.5 x 10$^{8}$. 49. Write as a power:$\left(4^4\right)^1$ A) $4^5$. B) $4^6$. C) $4^4$. D) $4^1$. Show Answer Correct Answer: C) $4^4$. 50. Which of the following is in exponential form? A) 5 x 5 x 5. B) 5$^{3}$. C) 125. D) None of the above. Show Answer Correct Answer: B) 5$^{3}$. 51. IN THE EQUATION ( $5\times5\times5\times5$ $5^4$ A) BASE, EXPONENT. B) EXPONENT, POWER. C) EXPONENT, BASE. D) BASE, POWER. Show Answer Correct Answer: C) EXPONENT, BASE. 52. There are about 6 x 6 x 6 bones in the adult human body. Write this product using an exponent. A) 36. B) 18. C) 6$^{3}$. D) 3$^{6}$. Show Answer Correct Answer: C) 6$^{3}$. 53. Simplify:$\left(x^5\cdot x^{10}\right)^4$ A) $^{19} $. B) $x^{60}$. C) $x^{19}$. D) $^{60} $. Show Answer Correct Answer: B) $x^{60}$. 54. Simplify:$\left(a^0\right)\left(a^5\right)\left(a\right)$ A) $a^6$. B) $1$. C) $a^5$. D) $a^{-5}$. Show Answer Correct Answer: A) $a^6$. 55. Evaluate x$^{2}$y$^{2 }$if x =-3 and y = 2 A) -36. B) 12. C) -16. D) 36. Show Answer Correct Answer: D) 36. 56. 25) Write the power as a product of the same factor, then find the value:0.06$^{2}$ A) 0.06 x 0.06; 0.0012. B) 0.06 x 0.06; 0.0036. C) 0.06 x 0.06; 0.36. D) 0.02 x 0.02 x 0.02; 0.06. Show Answer Correct Answer: B) 0.06 x 0.06; 0.0036. 57. Simplify $\frac{\left(2^3\right)^4\times2^7}{2^5}$ A) $2^8$. B) $2^{14}$. C) $2^2$. D) $2^6$. Show Answer Correct Answer: B) $2^{14}$. 58. Simplify the expression $\sqrt{64x^{36}}$ A) $32x^6$. B) $ 8x^{18} $. C) $8x^6$. D) $32x^{18}$. Show Answer Correct Answer: B) $ 8x^{18} $. 59. Simplify the following expression:(b$^{3}$)$^{8}$ A) 24b. B) B$^{24}$. C) B$^{11}$. D) 8b$^{3}$. Show Answer Correct Answer: B) B$^{24}$. 60. Is 12 a perfect square? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. ← PreviousNext →Related QuizzesMathematics QuizzesClass 7 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 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 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books