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# Chapter 11 Class 7 Exponents and Powers

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Updated for new NCERT Book - 2023-24 Curriculum.

Get solutions of all NCERT Exercise questions and examples free at Teachoo. Answers to each and every question is provided in a step-by-step easy to understand way. Concepts are also explained before doing the questions

In this chapter, we will learn

• What are exponents
• Finding number when numbers are given as power
• Finding greater number when numbers are expressed in power
• Writing numbers as number with power using prime factorisation
• Finding powers of negative numbers - (-1)Odd number = -1 & (-1)Even number = 1
• Discussing Law of Exponents
• Multiplying powers with same base (am × an = am + n )
• Dividing Powers with the Same Base (am ÷ an = am - n )
• Taking power of power ( (am)n = am × n )
• Dividing Powers with the Same Exponents (am ÷ bm = (a/b)m
• Numbers with exponent zero (a0 = 1)
• Expressing numbers in Standard Form

Click on exercise or topic link below to start

## Concept wise

What's in it?

Updated for new NCERT Book - 2023-24 Curriculum.

Get solutions of all NCERT Exercise questions and examples free at Teachoo. Answers to each and every question is provided in a step-by-step easy to understand way. Concepts are also explained before doing the questions

In this chapter, we will learn

• What are exponents
• Finding number when numbers are given as power
• Finding greater number when numbers are expressed in power
• Writing numbers as number with power using prime factorisation
• Finding powers of negative numbers - (-1)Odd number = -1 & (-1)Even number = 1
• Discussing Law of Exponents
• Multiplying powers with same base (am × an = am + n )
• Dividing Powers with the Same Base (am ÷ an = am - n )
• Taking power of power ( (am)n = am × n )
• Dividing Powers with the Same Exponents (am ÷ bm = (a/b)m
• Numbers with exponent zero (a0 = 1)
• Expressing numbers in Standard Form

Click on exercise or topic link below to start