NCERT Solutions Class 8 Mathematics Chapter 12 Exponents And Powers have been provided below and is also available in Pdf for free download. The NCERT solutions for Class 8 Mathematics have been prepared as per the latest syllabus, NCERT books and examination pattern suggested in Class 8 by CBSE, NCERT and KVS. Questions given in NCERT book for Class 8 Mathematics are an important part of exams for Class 8 Mathematics and if answered properly can help you to get higher marks. Refer to more Chapter-wise answers for NCERT Class 8 Mathematics and also download more latest study material for all subjects. Chapter 12 Exponents And Powers is an important topic in Class 8, please refer to answers provided below to help you score better in exams
Chapter 12 Exponents And Powers Class 8 Mathematics NCERT Solutions
Class 8 Mathematics students should refer to the following NCERT questions with answers for Chapter 12 Exponents And Powers in Class 8. These NCERT Solutions with answers for Class 8 Mathematics will come in exams and help you to score good marks
Chapter 12 Exponents And Powers NCERT Solutions Class 8 Mathematics
Exercise 12.1
Q.1) Evaluate:
i) 3−2 ii) (−4)−2 iii) (1/5) −5
Sol.1)
= 3−5+5 × 2−5+5 × 5−2+7 = 30 × 20 × 55
= 1 × 1 × 3125 = 3125
Exercise 12.2
Q.1) Express the following numbers in standard form:
(i) 0.0000000000085 (ii) 0.00000000000942 (iii) 6020000000000000
(iv) 0.00000000837 (v) 31860000000
Sol.1)
Q.2) Express the following numbers in usual form:
i) 3.02 × 10−6 ii) 4.5 × 104 iii) 3 × 10−4 iv) 1.0001 × 109
v) 5.8 × 1012 vi) 3.61492 × 106
Sol.2) i) 3.02 × 10−6
= 3.02/106 = 0.00000302
ii) 4.5 × 104
= 4.5 × 10000 = 45000
iii) 3 × 10−4 = 3/108
= 0.00000003
iv) 1.0001 × 109
= 100100000
v) 5.8 × 1012
= 5.8 × 1000000000000 = 5800000000000
vi) 3.61492 × 106
= 3.61492 × 1000000 = 3614920
Q.3)` Express the number appearing in the following statements in standard form:
(i) 1 micron is equal to (1/1000000( m.
(ii) Charge of an electron is 0.000,000,000,000,000,000,16 coulomb.
(iii) Size of a bacteria is 0.0000005 m.
(iv) Size of a plant cell is 0.00001275 m.
(v) Thickness if a thick paper is 0.07 mm.
Sol.3) i) 1 micron = 1/1000000 = 1/106 = 1 × 106𝑚
(ii) Charge of an electron is 0.00000000000000000016 coulombs. = 0.00000000000000000016 × 1019/1019 = 1.6 × 10−19 coulombs.
(iii) Size of a bacteria is 0.0000005 m.
= 5/10000000 = 5/107 = 5 × 10−7𝑚
(iv) Size of a plant cell is 0.00001275 m.
= 0.00001275 × 105/105 = 1.275 × 10−5𝑚
(v) Thickness if a thick paper is 0.07 mm.
= 7/100 𝑚𝑚 = 7/102 = 7 × 10−2𝑚𝑚
Q.4) In a stack there are 5 books each of thickness 20 mm and 5 paper sheets each of thickness 0.016 mm. What is the total thickness of the stack?
Sol.4) Thickness of one book = 20 mm
Thickness of 5 books = 20 × 5 = 100 𝑚𝑚
Thickness of one paper = 0.016 mm
Thickness of 5 papers = 0.016 × 5 = 0.08 𝑚𝑚
Total thickness of a stack = 100 + 0.08
= 100.08 𝑚𝑚 = 100.08 × 102/102 = 1.0008 × 102 𝑚𝑚
| NCERT Solutions Class 8 Mathematics Chapter 1 Rational Numbers |
| NCERT Solutions Class 8 Mathematics Chapter 2 Linear Equations In One Variable |
| NCERT Solutions Class 8 Mathematics Chapter 3 Understanding Quadrilaterals |
| NCERT Solutions Class 8 Mathematics Chapter 4 Practical Geometry |
| NCERT Solutions Class 8 Mathematics Chapter 5 Data Handling |
| NCERT Solutions Class 8 Mathematics Chapter 6 Squares And Square Roots |
| NCERT Solutions Class 8 Mathematics Chapter 7 Cube and Cube Roots |
| NCERT Solutions Class 8 Mathematics Chapter 8 Comparing Quantities |
| NCERT Solutions Class 8 Mathematics Chapter 9 Algebraic expressions and identities |
| NCERT Solutions Class 8 Mathematics Chapter 10 Visualising Solid Shapes |
| NCERT Solutions Class 8 Mathematics Chapter 11 Mensuration |
| NCERT Solutions Class 8 Mathematics Chapter 12 Exponents And Powers |
| NCERT Solutions Class 8 Mathematics Chapter 13 Direct and Inverse Proportions |
| NCERT Solutions Class 8 Mathematics Chapter 14 Factorisation |
| NCERT Solutions Class 8 Mathematics Chapter 15 Introduction To Graphs |
| NCERT Solutions Class 8 Mathematics Chapter 16 Playing with Numbers |
NCERT Solutions Class 8 Mathematics Chapter 12 Exponents And Powers
NCERT Solutions Class 8 Mathematics Chapter 12 Exponents And Powers is available on our website www.studiestoday.com for free download in Pdf. You can read the solutions to all questions given in your Class 8 Mathematics textbook online or you can easily download them in pdf.
Chapter 12 Exponents And Powers Class 8 Mathematics NCERT Solutions
The Class 8 Mathematics NCERT Solutions Chapter 12 Exponents And Powers are designed in a way that will help to improve the overall understanding of students. The answers to each question in Chapter 12 Exponents And Powers of Mathematics Class 8 has been designed based on the latest syllabus released for the current year. We have also provided detailed explanations for all difficult topics in Chapter 12 Exponents And Powers Class 8 chapter of Mathematics so that it can be easier for students to understand all answers.
NCERT Solutions Chapter 12 Exponents And Powers Class 8 Mathematics
Class 8 Mathematics NCERT Solutions Chapter 12 Exponents And Powers is a really good source using which the students can get more marks in exams. The same questions will be coming in your Class 8 Mathematics exam. Learn the Chapter 12 Exponents And Powers questions and answers daily to get a higher score. Chapter 12 Exponents And Powers of your Mathematics textbook has a lot of questions at the end of chapter to test the students understanding of the concepts taught in the chapter. Students have to solve the questions and refer to the step-by-step solutions provided by Mathematics teachers on studiestoday to get better problem-solving skills.
Chapter 12 Exponents And Powers Class 8 NCERT Solution Mathematics
These solutions of Chapter 12 Exponents And Powers NCERT Questions given in your textbook for Class 8 Mathematics have been designed to help students understand the difficult topics of Mathematics in an easy manner. These will also help to build a strong foundation in the Mathematics. There is a combination of theoretical and practical questions relating to all chapters in Mathematics to check the overall learning of the students of Class 8.
Class 8 NCERT Solution Mathematics Chapter 12 Exponents And Powers
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