Ex 12.1, 3 - Chapter 12 Class 8 Exponents and Powers - Part 2

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Ex 12.1, 3 - Chapter 12 Class 8 Exponents and Powers - Part 3

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  1. Chapter 12 Class 8 Exponents and Powers
  2. Serial order wise

Transcript

Ex 12.1, 3 Find the value of. (ii) (2^(−1)× 4^(−1)) ÷〖 2〗^(−2) (2^(−1)× 4^(−1)) ÷〖 2〗^(−2) = (2×4)^(−1) ÷〖 2〗^(−2) = (8)^(−1) ÷〖 2〗^(−2) = 8^(−1)/2^(−2) = 8^(−1)×1/2^(−2) = 1/8^1 ×2^2 = (2 × 2)/8 (𝑈𝑠𝑖𝑛𝑔 𝑎^𝑚×𝑏^𝑚=〖(𝑎×𝑏)〗^𝑚 ) = 4/8 = 𝟏/𝟐

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Davneet Singh
Davneet Singh is a graduate from Indian Institute of Technology, Kanpur. He has been teaching from the past 10 years. He provides courses for Maths and Science at Teachoo.