This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Mathematics > Exponents And Powers > Class 7 Mathematics Chapter 11 Exponents And Powers – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 11 Exponents And Powers Quiz 13 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Simplify $\frac{z^3\times z^5}{z^7}$ A) $z^2$. B) $z^8$. C) $z^4$. D) $z$. Show Answer Correct Answer: D) $z$. 2. 3$^{2}$ x 4$^{2}$ is equal to: A) 144. B) 49. C) 156. D) 121. Show Answer Correct Answer: A) 144. 3. The same book costs $ 3.50 and the eraser costs $ 0.35.The digit "3" in the eraser is ..... the digit "3" in the cost of the book. A) 1/10 of. B) 10 times as much as. C) I don't have any money. D) They are the same. Show Answer Correct Answer: A) 1/10 of. 4. To find the value of a numerical expression A) Factor pair. B) Evaluate. C) Prime factorization. D) Friend chart. Show Answer Correct Answer: B) Evaluate. 5. True or false:$\left(\frac{2}{3}\right)^8=\frac{2^8}{3^8}$ A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 6. Evaluate:n$^{2 }$r if n = 3 and r = 2 A) 18. B) 9. C) 6. D) 8. Show Answer Correct Answer: A) 18. 7. What is the word form of $10\times10\times10\times10\times10$ A) The first power of ten. B) The fourth power of ten. C) The fifth power of ten. D) The second power of ten. Show Answer Correct Answer: C) The fifth power of ten. 8. Evaluate (g+h)$^{3}$ if g = 2 and h =-3. A) 125. B) -1. C) 5. D) 1. Show Answer Correct Answer: B) -1. 9. Evaluate the expression using the power of a quotient property:( 2 / y )$^{3}$ A) ( 8 / y$^{3}$ )$^{}$. B) ( 8 / y )$^{}$. C) (x $^{3} $/ y) $^{} $. D) 1. Show Answer Correct Answer: A) ( 8 / y$^{3}$ )$^{}$. 10. The Quotient of Powers Rule states if dividing powers with ..... bases then ..... exponents. A) Same:Multiply. B) Same:Add. C) Same:Subtract. D) Different:Factor. Show Answer Correct Answer: C) Same:Subtract. 11. How is $3\cdot3\cdot3\cdot3$ A) $4^3$. B) $4^4$. C) $3^4$. D) $3^2$. Show Answer Correct Answer: C) $3^4$. 12. What does an exponent tell you about the product when multiplying by a power of 10? A) That there is a funny little number. B) That the answer is zero. C) The number of zeroes that will be brought to the product. D) That the number is really big. Show Answer Correct Answer: C) The number of zeroes that will be brought to the product. 13. The number of cells in a lab sample triples every four hours. Write an expression to represent the number of cells after 24 hours. A) $3\cdot c$. B) $3^{24}\cdot c$. C) $3^4\cdot c$. D) $3^6\cdot c$. Show Answer Correct Answer: D) $3^6\cdot c$. 14. The A and S in PEMDAS stand for Addition and Subtraction.Which operation do you do first? A) Addition. B) Subtraction. C) Whichever comes first in the expression as you read it from left to right. D) None of the above. Show Answer Correct Answer: C) Whichever comes first in the expression as you read it from left to right. 15. Simplify 2m$^{4 }$* 5m$^{2}$ A) 7m $^{8} $. B) 10m$^{8}$. C) 7m $^{6} $. D) 10m$^{6}$. Show Answer Correct Answer: D) 10m$^{6}$. 16. Understanding the problem means: A) Figuring out the problem. B) Thinking of solutions. C) Writing the steps to solve the problem. D) Checking to see if the problem worked. Show Answer Correct Answer: A) Figuring out the problem. 17. What is the exponent form for 6? A) 6$^{0}$. B) 6$^{1}$. C) All the above. D) None of the above. Show Answer Correct Answer: B) 6$^{1}$. 18. Calculate the value of $5^4$ A) 500. B) 625. C) 20. D) 125. Show Answer Correct Answer: B) 625. 19. What is the square root of 49? A) 7. B) 5. C) 8. D) 6. Show Answer Correct Answer: A) 7. 20. $\left(-3\right)^8$ A) 8. B) -3. C) 3. D) (-3). Show Answer Correct Answer: A) 8. 21. (n$^{5}$ / n$^{2}$)$^{3}$ A) N$^{8}$. B) N$^{9}$. C) N$^{11}$. D) N$^{10}$. Show Answer Correct Answer: B) N$^{9}$. 22. The square of a whole number is called a ..... A) Cube Root. B) Perfect Cube. C) Square Root. D) Perfect Square. Show Answer Correct Answer: D) Perfect Square. 23. Write as a power:7 x 7 x 7 A) $7^3$. B) 7. C) $7^2$. D) $7^1$. Show Answer Correct Answer: A) $7^3$. 24. What is the exponential form for the expression? $a\cdot a\cdot a\cdot x\cdot x\cdot x\cdot x\cdot z\cdot z$ A) $a^3\cdot x^4\cdot z^2$. B) $\left(a\cdot x\cdot z\right)^9$. C) $a^2\cdot x^3\cdot z^4$. D) $a^9\cdot x^9\cdot z^9$. Show Answer Correct Answer: A) $a^3\cdot x^4\cdot z^2$. 25. Simplify $\left(5y^2\right)\left(-7xy^3\right)$ A) $35xy^5$. B) $-35xy^5$. C) $-35xy^6$. D) None of the above. Show Answer Correct Answer: B) $-35xy^5$. 26. (5 $^{3} $ x $^{2} $ y $^{4} $) $^{0} $ A) 1. B) 5. C) 0. D) 5xy. Show Answer Correct Answer: A) 1. 27. Dan found 889 seashells on the beach. he gave Benny 333 of the seashells. How many seashells does he now have? A) 1222 seashells. B) 1212 seashells. C) 555 seashells. D) 556 seashells. Show Answer Correct Answer: D) 556 seashells. 28. In 2$^{3 }$what is the base? A) 2. B) 3. C) 2$^{3}$. D) None of the above. Show Answer Correct Answer: A) 2. 29. Find the answer:1$^{19}$ A) 1. B) 19. C) -1. D) 119. Show Answer Correct Answer: A) 1. 30. Evaluate-solve:$1^3$ A) 1. B) 0. C) 3. D) 30. Show Answer Correct Answer: A) 1. 31. Simplify:$4x^5\cdot6x^{10}$ A) $ 24x ^ {15} $. B) $\sqrt{10x^{15}}$. C) $10x^{15}$. D) $\sqrt{24x^{15}}$. Show Answer Correct Answer: A) $ 24x ^ {15} $. 32. Which number is the Base? $2^4$ A) 2. B) 4. C) They both are the base. D) None of them is the base. Show Answer Correct Answer: A) 2. 33. In the expression below is the variable a the base or the exponent? $3^a$ A) Base. B) Exponent. C) All the above. D) None of the above. Show Answer Correct Answer: B) Exponent. 34. Write each product using an exponent. 4 x 4 x 4 x 4 x 4 A) 5$^{ 4}$. B) 4$^{ 6}$. C) 4$^{ 6}$. D) 4$^{ 5}$. Show Answer Correct Answer: D) 4$^{ 5}$. 35. Simplify:$\frac{8^0}{8^3}$ A) 8. B) 1/512. C) 1/8. D) 1/64. Show Answer Correct Answer: B) 1/512. 36. Which is equivalent to 2$^{4}$? A) 8. B) 16. C) 20. D) 12. Show Answer Correct Answer: B) 16. 37. Which exponential expression means 8 squared? A) 16. B) 64. C) 4. D) 8$^{2}$. Show Answer Correct Answer: D) 8$^{2}$. 38. Calculate 5 to the power of 2. A) 25. B) 15. C) 20. D) 10. Show Answer Correct Answer: A) 25. 39. A power has two elements:the base and the exponent. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: B) True. 40. The Area of A Square is 36 cm $^{2} $.What is the length of one side? The area of a square is 36 cm2.What is the length on one side? A) 24 cm. B) 9 cm. C) 6 cm. D) 9 cm. Show Answer Correct Answer: C) 6 cm. 41. Write the number in standard form. $4\cdot10^8$ A) 0.000000004. B) 0.00000004. C) 40, 000, 000. D) 400, 000, 000. Show Answer Correct Answer: D) 400, 000, 000. 42. Mike picked 106 oranges and Sara picked 121 oranges. Tim picked 139 lemons. How many oranges were picked in total? A) 33 lemons. B) 227 lemons. C) 366 oranges. D) 227 oranges. Show Answer Correct Answer: D) 227 oranges. 43. Find the value. $\left(\frac{1}{4}\right)^3$ A) $\frac{1}{64}$. B) $\frac{3}{12}$. C) $\frac{3}{64}$. D) $\frac{1}{12}$. Show Answer Correct Answer: A) $\frac{1}{64}$. 44. True or False-Exponents are repeated multiplication A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 45. Write 9 x 9 x 9 as a power A) 9$^{3}$. B) 3$^{9}$. C) 27. D) 729. Show Answer Correct Answer: A) 9$^{3}$. 46. Which of the following is equivalent to $5^3$ A) $5\times5\times5$. B) $5+5+5$. C) $3\times3\times\times3\times3\times3$. D) $3+3+3+3+3$. Show Answer Correct Answer: A) $5\times5\times5$. 47. TRUE/FALSE50 is 1/10 of 500 A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 48. If 16 x 2$^{n}$ = 128. What is the value of n? A) 7. B) 2. C) 4. D) 6. Show Answer Correct Answer: A) 7. 49. Write with an exponent:$8\cdot8\cdot8$ A) $8^3$. B) $3^8$. C) All the above. D) None of the above. Show Answer Correct Answer: A) $8^3$. 50. WHAT IS THE EXPONENTIAL FORM OF $\left(-2\right)^4\times\left(\frac{5}{2}\right)^4$ A) $4^5$. B) $5^4$. C) $5$. D) $4$. Show Answer Correct Answer: B) $5^4$. 51. The cost of each flight of the Space Shuttle is about $ 10, 000, 000. Write this amount in exponential form. A) This amount in exponential form would be 10$^{6.}$. B) This amount in exponential form would be $^{}$10$^{7.}$. C) This amount in exponential form would be 10$^{8. }$. D) This amount in exponential form would be 10$^{9. }$. Show Answer Correct Answer: B) This amount in exponential form would be $^{}$10$^{7.}$. 52. What is the least common multiple (LCM)? A) The least (smallest in value) of the common multiples. B) The largest multiple of a number. C) The smallest factor of a number. D) A number that is only divisible by itself and 1. Show Answer Correct Answer: A) The least (smallest in value) of the common multiples. 53. Simplify:$\left(-2r^3s^2\right)\left(5r^2s^5\right)$ A) $-10r^5s^7$. B) $10r^5s^7$. C) $ A^Ts^{10} $. D) $ A^Ts^{10} $. Show Answer Correct Answer: A) $-10r^5s^7$. 54. Evaluate the following expression $2^6$ A) 64. B) 24. C) 26. D) 12. Show Answer Correct Answer: A) 64. 55. Which of the following is in exponenetial form? A) 5 x 5 x 5. B) 5$^{3}$. C) 125. D) None of the above. Show Answer Correct Answer: B) 5$^{3}$. 56. How do you say 3$^{1?}$ A) Thirty-one. B) 3 to the first power. C) 3 to the one. D) None of the above. Show Answer Correct Answer: B) 3 to the first power. 57. An elephant weighs 10, 000 pounds, which is 10 to the power of 4. Which number is the base? A) 10, 000. B) 10. C) 4. D) None of the above. Show Answer Correct Answer: B) 10. 58. 23$^{45 }$X 2$^{45}$ A) 26. B) 67$^{34}$. C) 45. D) 46$^{45}$. Show Answer Correct Answer: D) 46$^{45}$. 59. Find the value of $8\times10^0$ A) 8. B) 8, 000. C) 800. D) 80. Show Answer Correct Answer: A) 8. 60. Simplify (34x$^{5}$y$^{6}$z$^{-7}$)$^{0}$ A) 34x $^{5} $ and $^{6} $ / z $^{7} $. B) 34x $^{5} $ and $^{6} $ / x $^{-7} $. C) 0. D) 1. Show Answer Correct Answer: D) 1. ← 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 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 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books