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Example 12 - Chapter 13 Class 7 Exponents and Powers - Part 3


Transcript

Example 12 Simplify and write the answer in the exponential form (ii) 23 × a3 × 5a4 2^3 × 𝑎^3 × 〖5𝑎〗^4 = 2^3 × 𝑎^3 × 5 × 𝑎^4 = (2^3×5)×(𝑎^3×𝑎^4) = (8 × 5) × 𝑎^(3 + 4) = 〖𝟒𝟎𝒂〗^𝟕 (am × an = am + n)

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Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 12 years. He provides courses for Maths and Science at Teachoo.