This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Mathematics > Exponents And Powers > Class 7 Mathematics Chapter 11 Exponents And Powers – Quiz 14 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Mathematics Chapter 11 Exponents And Powers Quiz 14 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. One of the world's smallest countries has a population less than 10$^{3}$ people. About how many people live in this country? A) 1, 000. B) 1003. C) 30. D) 100. Show Answer Correct Answer: A) 1, 000. 2. In the expression below, is the 5 the base or the exponent:$5^4$ A) Base. B) Exponent. C) All the above. D) None of the above. Show Answer Correct Answer: A) Base. 3. (-z $^{-5} $) $^{-2} $ A) 9 / y$^{-7}$. B) 6 / y$^{3}$. C) Y$^{10}$ / 9. D) 6 / y$^{10}$. Show Answer Correct Answer: C) Y$^{10}$ / 9. 4. According to exponent rules, when we raise an exponential expression to a power we ..... the exponents. A) Multiply. B) Divide. C) Add. D) Subtract. Show Answer Correct Answer: A) Multiply. 5. Write the number in scientific notation. $3, 495, 000$ A) $3.495\cdot10^6$. B) $3.495\cdot10^{-3}$. C) $3.495\cdot10^3$. D) $3.495\cdot10^{-6}$. Show Answer Correct Answer: A) $3.495\cdot10^6$. 6. Write each product using an exponent. 7 x 7 x 7 x 7 x 7 x 7 x 7 x 7 A) 7$^{ 7}$. B) 8$^{ 7}$. C) 7$^{ 9}$. D) 7$^{ 8}$. Show Answer Correct Answer: D) 7$^{ 8}$. 7. (2$^{}$x$^{4}$y$^{5}$)(-3x$^{2}$y$^{7}$) A) -1x $^{6} $ y $^{-2} $. B) 6x$^{6}$y$^{12}$. C) -6x$^{6}$y$^{12}$. D) -6x$^{2}$$^{}$$^{}$y$^{2}$. Show Answer Correct Answer: C) -6x$^{6}$y$^{12}$. 8. (8$^{2}$)$^{5}$/8$^{3}$ A) 8$^{7}$. B) 8$^{30}$. C) 8$^{10}$. D) None of the above. Show Answer Correct Answer: A) 8$^{7}$. 9. When multiplying powers of the same base, such as (3$^{2}$)(3), you will ..... the exponents. A) Multiply. B) Add. C) Divide. D) Subtract. Show Answer Correct Answer: B) Add. 10. Radha is 1$^{st}$ grade, has a round face with brown hair and eyes.She is funny and outgoing by nature.She is a gentle and well-mannered girl who studies for two squared hoursAnd her brother, LKG, studies for six power one hour(s).Who studied for more time? A) Radha. B) Radha's Brother. C) All the above. D) None of the above. Show Answer Correct Answer: A) Radha. 11. If the exponent is a positive number the original number was ..... A) A really big number. B) A really small number. C) All the above. D) None of the above. Show Answer Correct Answer: A) A really big number. 12. Simplify the following expression:xy$^{-7}$ A) Xy$^{7}$. B) X $^{7} $/y. C) X/y $^{7} $. D) X $^{7} $ y. Show Answer Correct Answer: C) X/y $^{7} $. 13. What is the value of the exponent? $\left(-216\right)^w=-6$ A) $\frac{1}{3}$. B) $-3$. C) $\frac{1}{36}$. D) $\frac{-1}{3}$. Show Answer Correct Answer: A) $\frac{1}{3}$. 14. What is the rule for multiplying powers with the same base? A) Multiply the exponents. B) Add the exponents. C) Subtract the exponents. D) Divide the exponents. Show Answer Correct Answer: B) Add the exponents. 15. $\left[-5\right]^0$ A) 1. B) 50. C) 5. D) -1. Show Answer Correct Answer: A) 1. 16. The sun is about $93\times10^6$ A) 9, 300, 000 miles. B) 930, 000 miles. C) 930 miles. D) 93, 000, 000 miles. E) 9, 300 miles. Show Answer Correct Answer: D) 93, 000, 000 miles. 17. Express 729 using exponential notation: A) 7$^{6}$. B) 3$^{6}$. C) 7$^{29}$. D) 29$^{7}$. Show Answer Correct Answer: B) 3$^{6}$. 18. Simplify following using the laws of exponents. $a^9\\\div\\a^2$ A) $a^{11}$. B) $a^7$. C) $a^{18}$. D) None of these. Show Answer Correct Answer: B) $a^7$. 19. Evaluate:$\left[6\times\left(-2\right)\right]^2$ A) -24. B) 144. C) -144. D) 24. Show Answer Correct Answer: B) 144. 20. (34x $^{5} $ and $^{6} $ z $^{-7} $) $^{0} $ A) 34x $^{5} $ and $^{6} $ / z $^{7} $. B) 34x $^{5} $ and $^{6} $ / x $^{-7} $. C) 0. D) 1. Show Answer Correct Answer: D) 1. 21. What is 10$^{1}$ A) 1000. B) 100. C) 10000. D) 10. Show Answer Correct Answer: D) 10. 22. Jacob collects hats. He has 6 hats already, and he collects 2 hats a week. A) Y = 2x-6. B) Y = 6x + 2. C) Y = 6x-2. D) Y = 2x + 6. Show Answer Correct Answer: D) Y = 2x + 6. 23. Another way to say two to the second power is ..... A) Two cubed. B) Two squared. C) All the above. D) None of the above. Show Answer Correct Answer: B) Two squared. 24. $\left(10+2\right)\div2^2$ A) 12. B) 3. C) 6. D) 4. Show Answer Correct Answer: B) 3. 25. Evaluate the expression:$6^2*6^0$ A) 36. B) $36^2$. C) 6. D) 0. Show Answer Correct Answer: A) 36. 26. Simplify $6^4\div6^4$ A) $6^0$. B) $6^1$. C) $6^4$. D) $6$. Show Answer Correct Answer: A) $6^0$. 27. One raised to any integral power is ..... A) 1. B) 2. C) 0. D) -1. Show Answer Correct Answer: A) 1. 28. What is the exponential form of 4 x 4 x 4 x 4 x 4 x 4 A) 4$^{2}$. B) 4$^{6}$. C) 6$^{4}$. D) 4 x 6. Show Answer Correct Answer: B) 4$^{6}$. 29. $\left(\frac{1}{3}\right)^4$ A) $\frac{1}{27}$. B) $\frac{1}{81}$. C) $27$. D) $81$. Show Answer Correct Answer: B) $\frac{1}{81}$. 30. According to exponent rules, when we multiply powers we ..... the exponents. A) Multiply. B) Add. C) Divide. D) Subtract. Show Answer Correct Answer: B) Add. ← PreviousRelated 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