# NCERT Solutions for Class 8 Maths Chapter 12

NCERT Solutions for Class 8 Maths Chapter 12 Exponents and Powers Exercise 12.1 and Exercise 12.2 in English Medium or Hindi Medium updated for new academic year 2021-22 based on latest CBSE Syllabus for new session.

Download Prashnavali 12.1 and Prashnavali 12.2 in Hindi Medium to study online or take PDF format to free download. NCERT Solutions 2021-22 are in the updated format for the new academic session 2021-2022 based on new CBSE Curriculum. All the students whoever using NCERT Books 2021-22 and following CBSE Syllabus 2021-2022 can use these solutions for their exams.## NCERT Solutions for Class 8 Maths Chapter 12

### Class 8 Maths Chapter 12 all Exercises Solution

Class: 8 | Mathematics |

Chapter 12: | Exponents and Powers |

### Class 8 Maths Chapter 12 Solutions

Class 8 Maths Chapter 12 Exponents and Powers all exercises in English Medium as well as Hindi Medium are given to download in PDF format. For any inconvenience regarding website, please call us, we will immediately solve the problem.

### 8 Maths Chapter 12 Solutions in English Medium

### 8 Maths Chapter 12 Solutions in Hindi Medium

#### Class 8 Maths Exercise 12.1 Solutions in Video

## Class 8 Maths Exercise 12.2 Solutions in Video

### Important Terms about Class 8 Maths Chapter 12

##### 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?

Thickness of one book = 20 mm

Thickness of 5 books = 20 x 5 = 100 mm

Thickness of one paper = 0.016 mm

Thickness of 5 papers = 0.016 x 5 = 0.08 mm

Total thickness of a stack = 100 + 0.08

= 100.08 mm

= 1.0008 x 10^2 mm

##### The charge of an electron is 0.000,000,000,000,000,000,16 coulomb. Express this number in standard form.

Charge of an electron is 0.00000000000000000016 coulombs.

= 0.00000000000000000016 x [10^19/10^19] coulombs

= 1.6 x 10^(-19) coulombs

In Chapter 12 Exponents and Powers, we will go through the questions based rules of addition, subtraction of exponents, converting power notation in to expanded form or expanded form to exponents notations. Exercise 12.2 consists of questions related to expression in scientific form to decimal and decimal to scientific form. This chapter is easier as compared to other one but it is important as per Algebraic Expressions point of view.

##### More about Powers

Is paath mein ham seekhenge ki sankhyaon ko vistaarit ghaataank roop mein kaise likhate hain aur ghatakon ka upayog karake kisee sankhya ko vistaarit roop mein likhana. ghaataank rnaatmak ho ya dhanaatmak, ghaataank ke niyamon ke anusaar prashnon ko saralatam roop mein likhana. chhotee sankhyaon ko ghaataank ka prayog kar ke maanak roop mein vyakt karana. bahut chhotee tatha bahut badee sankhyaon ko maanak roop mein likhane par unakee tulana aasaanee se kee ja sakatee hai. is vidhi se ham badee badee sankhyaon, jaise soory ka vyaas, prthvee ka vyaas, soory kee prthvee kee dooree, aadi ko aasaanee se vyakt kar sakate hain.