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

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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

Davneet Singh has done his B.Tech from Indian Institute of Technology, Kanpur. He has been teaching from the past 13 years. He provides courses for Maths, Science, Social Science, Physics, Chemistry, Computer Science at Teachoo.