Cubes

Chapter 6 Class 8 Cubes and Cube Roots
Concept wise

Let’s take a example

For number 29

Unit digit of 29 3 = Unit digit of 9 3

= Unit digit of 729

= 9

For number 77

Unit digit of 77 3 = Unit digit of 7 3

= Unit digit of 343

= 3

For number 3331

Unit digit of 3331 3 = Unit digit of 1 3

= Unit digit of 1

= 1

For number 8888

Unit digit of 8888 3 = Unit digit of 8 3

= Unit digit of 512

= 2

For number 149

Unit digit of 149 3 = Unit digit of 9 3

= Unit digit of 729

= 9

For number 1005

Unit digit of 1005 3 = Unit digit of 5 3

= Unit digit of 125

= 5

For number 1024

Unit digit of 1024 3 = Unit digit of 4 3

= Unit digit of 64

= 4

For number 5022

Unit digit of 5022 3 = Unit digit of 2 3

= Unit digit of 8

= 8

For number 53

Unit digit of 53 3 = Unit digit of 3 3

= Unit digit of 27

= 7

#### Davneet Singh

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 14 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.