8) The exponent of 3, which is 42, is close to 40. Therefore, III is bigger than I. 3. ZERO EXPONENT RULE: Any base (except 0) raised to the zero power is equal to one. 14. Write the following using exponents: a) 8 × 8 × 8 × 8 b) 10 × 10 × 10 × 10 × 10 × 10 × 10 c) A × A × A d) meter × meter e) centimeter × centimeter × centimeter Solution Use the definition of an exponent. Go through this very important online quiz based on model and previous year asked questions from SSC Algebra with solutions to ace the exam. … Algebra MCQ Questions and answers with easy and logical explanations. EXPONENT RULES & PRACTICE 1. Properties of exponents challenge (integer exponents) Get 3 of 4 questions to level up! Here we have covered Important Questions on Exponents and Powers for Class 8 Maths subject. QuickMath will automatically answer the most common problems in algebra, equations and calculus faced by high-school and college students. 3 … 1 C. 2 D. 3. Exponents and Powers: Questions 1-13 of 61. 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If x 3 + y 3 = 9 and x + y = 3, then the value of x 4 +y 4 is, (A) 21 (B) 0 (C) 17 (D) 25 Answer: (C) Explanation: x 3 +y 3 = (x + y) × (x 2 − xy + y 2) Putting given values of x 3 +y 3 and (x + y) 9 = 3 × ((x+y) 2 − 3xy) = 3 × (9 − 3xy) = 27 − 9xy 9xy = 18 xy = 2 x 4 + y 4 = (x 2 + y 2) 2 - 2x 2 y 2 = (x 2 + y 2) 2 - 2*4 [Putting value of xy] = ((x + y) 2 - 2xy) 2 - 2*4 [Putting values of (x+y) and xy] = (9 - 4) 2 - 2*4 = 17. It also has commands for splitting fractions into partial fractions, combining several fractions into one and cancelling common factors within a fraction. 15,17 4. Or, 5/20 = x/100 ; 500/20 = 25%. The number of times a number is multiplied by itself is the exponent. Also, this topic is also very important from the point of view of various competitive examinations, because the questions related to it are asked in every government examination. Any number raised to the power 0 is 1. a) 8 × 8 × 8 × 8 = 8 4, 8 multiplied by itself 4 times. 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