Exponents and Powers Extra Questions Solution for Class 7 CBSE / NCERT Board Students


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Solution. (c) We know that an is called the nth power of a; and is also read as a raised to the power n. The rational number a is called the base and n is called the exponent (power or index). In the same way in 2 n ,n is known as exponent. Question. 2 For a fixed base, if the exponent decreases by 1, the number becomes


Exponents and Powers Class 8 Extra Questions Maths Chapter 12 Learn CBSE

Question 1: The human body has about 100 billion cells. This number can be written in exponential form as 10-11 1011 109 10-9 Answer 1: Option (b) is the correct answer. Explanation 1: 100 billion = 100,000,000,000 = 1011.


Class 8 Maths Exponents And Powers Extra Questions Maths For Kids

By going through the Important Questions of Exponents and Powers Class 8, students will get ample ideas about what kind of questions to expect in their exams and prepare accordingly. Vedantu is a platform that provides free (CBSE) NCERT Solution and other study materials for students.


Exponents and Powers Extra Questions Solution for Class 7 CBSE / NCERT Board Students

Solution: Exponent Questions For Class 8 Question 7. Find the value of k if (-2) k+1 ร— (-2) 3 = (-2) 7 Solution: (-2) k+1 ร— (-2) 3 = (-2) 7 โ‡’ (-2) k+1+3 = (-2) 7 โ‡’ (-2) k+4 = (-2) 7 โ‡’ k + 4 = 7 โ‡’ k = 3


Grade 8 Exponents and Powers Math Practice, Questions, Tests, Worksheets, Quizzes

Solution: Given, 3 x - y = 27 = 3 3 and 3 x + y = 243 = 3 5 Comparing the powers on both sides of the exponents, we get โ‡’ x - y = 3.. (i) x + y = 5.. (ii) Adding equations (i) and (ii), 2x = 8 โ‡’ x = 4 then y = 1. Question 3: Simplify the following:


ML Aggarwal Solutions for Class 8 Chapter 2 Exponents and Powers Avail Free PDF

Exponents and Powers Class 8 Extra Questions Very Short Answer Type Question 1. Find the multiplicative inverse of: (i) 3 -3 (ii) 10 -10 Solution: Question 2. Expand the following using exponents. (i) 0.0523 (ii) 32.005 Solution: Question 3. Simplify and write in exponential form. Solution: Question 4.


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These questions are designed according to the latest CBSE/ICSE syllabus for class 8. Practising these questions will help students prepare for their class tests and even final exams. Let a be any arbitrary number, now a + a = 2a, a + a + a = 3a, and if we multiply it n times we write a + a + a +. n times = na.


grade 7 exponents and powers math practice questions tests worksheets quizzes assignments

Unit 1 Rational numbers Unit 2 Linear equations in one variable Unit 3 Understanding Quadrilaterals Unit 4 Data handling Unit 5 Squares and square roots Unit 6 Cubes and cube roots Unit 7 Comparing quantities Unit 8 Algebraic expressions and identities Unit 9 Mensuration Unit 10 Exponents and Powers Unit 11 Direct and Inverse proportions


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NCERT Solution of Class-8, Ch-12, Exponents & Power Q.1 to Q.4 Extra Questions On Exponents & Power | Class-7, 8 and 9 | | Laws of Exponents | Exponents Rule.


Exponents and Powers Extra Questions Solution for Class 7 CBSE / NCERT Board Students

Refer to the Exponents and Powers Class 8 MCQs Questions with Answers here along with a detailed explanation. Exponents and Powers Class 8 MCQs Questions with Answers Choose the correct option. Question 1. The value of ( 35 )ยณ ร— ( 35) 4 ร— ( 35 )ยฒ is.โ€ฆโ€ฆโ€ฆ (a) ( 35) 9 (b) ( 35) 5 (c) ( 35) 4 (d) ( 35) 5 Answer Question 2.


13 Powers And Exponents Worksheet /

Answer Question 5 Find the value of m for which 2 m รท 2 -4 = 4 5 Answer Question 6 Express the following numbers in standard form. (i) 0.0000000015 (ii) 0.00000001425 (iii) 102000000000000000 Answer Question 7 Express the following numbers in usual form. (i) 34.02 x 10 -5


Exponents and Powers Class 8 Extra Questions Maths Chapter 12 CBSE Labs

Ex 12.2 Class 8 Maths Question 1. Ex 12.2 Class 8 Maths Question 2. Express the following numbers in usual form. Ex 12.2 Class 8 Maths Question 3. Express the number appearing in the following statements in standard form. (i) 1 micron is equal to 1 1000000 m. Ex 12.2 Class 8 Maths Question 4. In a stack there are 5 books each of thickness 20 mm.


grade 8 exponents and powers math practice questions tests worksheets quizzes assignments

Class 8 (Old) 14 units ยท 96 skills. Unit 1 Rational numbers. Unit 2 Linear equations in one variable. Unit 3 Understanding quadrilaterals. Unit 4 Data handling. Unit 5 Squares and square roots. Unit 6 Cubes and cube roots. Unit 7 Comparing quantities. Unit 8 Algebraic expressions and identities.


NCERT Exemplar Class 8 NCERT Exemplar Maths Solutions Chapter 8 Exponents and Powers

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CBSEMATH 8th Exponents & Powers Worksheet

#class8 #exponentsandpowers #chapter12In this video I have given easy explanation of extra questions which are highly important and frequently asked in exams.


Exponents and Powers Class 8 Extra Questions Maths Chapter 12 Learn CBSE

Class 8 Important Questions for Maths - Exponents and Powers NCERT Exemplar Class 8 Maths is very important resource for students preparing for VIII Board Examination. Here we have provided NCERT Exemplar Problems Solutions along with NCERT Exemplar Problems Class 8. Question from very important topics are covered by NCERT Exemplar Class 8.