Extra Questions On Exponents & Power Class7 and 8 Laws of Exponents Concept//Short
#class8 #exponentsandpowers #chapter12In this video I have given easy explanation of extra questions which are highly important and frequently asked in exams.
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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.
Exponents and Powers Class 8 Extra Questions Maths Chapter 12 Merit Batch
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.
Exponents and Powers Class 8 Extra Questions Maths Chapter 12 CBSE Labs
Refer to the NCERT Class 8 Mathematics Exercise Solutions and practise the questions and answers based on the CBSE curriculum to understand the concepts covered in the chapter. We can say that an expression that represents repeated multiplication of the same factor is called a power.
Exponents and Powers Class 8 Extra Questions Maths Chapter 12 Learn CBSE
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
NCERT Exemplar Class 8 NCERT Exemplar Maths Solutions Chapter 8 Exponents and Powers
Solution: a 2 ร a 3 ร a -5 = a 2+3-5
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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.
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
13 Powers And Exponents Worksheet /
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.
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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:
grade 8 exponents and powers math practice questions tests worksheets quizzes assignments
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.โฆโฆโฆ (a) ( 35) 9 (b) ( 35) 5 (c) ( 35) 4 (d) ( 35) 5 Answer Question 2.
Class 8 Maths Exponents And Powers Extra Questions Maths For Kids
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grade 8 exponents and powers math practice questions tests worksheets quizzes assignments
NCERT solutions class 8 maths Chapter 12 covers all the necessary laws of exponents explained with examples for students to gain an in-depth understanding. Some important formulas covered in these solutions are given below: Product of Powers Rule: If multiplying two bases with the same value, write the base the same and then add the exponents.
Exponents and Powers Class 8 Extra Questions Maths Chapter 12 Learn CBSE
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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.
Exponents and Powers Extra Questions Solution for Class 7 CBSE / NCERT Board Students
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.