Exponents and Powers Class 8 Extra Questions Maths Chapter 12 Merit Batch
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
#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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Solution: Exponent Questions For Class 8 Question 7. Find the value of k if (-2) k+1 × (-2) 3 = (-2) 7 Solution: (-2) k+1 × (-2) 3 = (-2) 7 ⇒ (-2) k+1+3 = (-2) 7 ⇒ (-2) k+4 = (-2) 7 ⇒ k + 4 = 7 ⇒ k = 3
CBSEMATH 8th Exponents & Powers Worksheet
Solution: a 2 × a 3 × a -5 = a 2+3-5
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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.
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.
Class 8 Maths Exponents And Powers Extra Questions Maths For Kids
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.
ML Aggarwal Solutions for Class 8 Chapter 2 Exponents and Powers Avail Free PDF
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.
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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
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.
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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 ⇒ x - y = 3.. (i) x + y = 5.. (ii) Adding equations (i) and (ii), 2x = 8 ⇒ x = 4 then y = 1. Question 3: Simplify the following:
grade 8 exponents and powers math practice questions tests worksheets quizzes assignments
Answer Question 5 Find the value of m for which 2 m ÷ 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 Learn CBSE
Class 8 (Old) 14 units · 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 Extra Questions Solution for Class 7 CBSE / NCERT Board Students
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13 Powers And Exponents Worksheet /
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.
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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