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CBSE Class 7 Maths Notes for Chapter 12 Exponents and Powers

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                                  CHAPTER 12 EXPONENTS AND POWERS
 
 
Very large numbers are difficult to read, understand, compare and operate upon. To make all these easier, we use exponents, converting many of the large numbers in a shorter form.
 
Numbers in exponential form obey certain laws, which are:
 
For any non-zero integers a and b and whole numbers m and n,

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