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Example 9 - Chapter 12 Class 8 Exponents and Powers - Part 2

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Transcript

Example 9 Express the following numbers in usual form. (ii) 7.54 × 〖10〗^(−4) 7.54 × 〖10〗^(−4) = 754/100 × 〖10〗^(−4) = 754/〖10〗^2 × 〖10〗^(−4) = 754/〖10〗^2 × 1/〖10〗^4 = 754/〖10〗^(2 + 4) = 754/〖10〗^6 = 𝟎.𝟎𝟎𝟎𝟕𝟓𝟒 (Using 𝑎^𝑚×𝑎^𝑛=𝑎^(𝑚 + 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.