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Ex 12.1, 2 - Simplify and express the result in power notation with

 


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Ex 12.1, 2 Simplify and express the result in power notation with positive exponent. (i) 〖"(– 4)" 〗^5÷ 〖"(– 4)" 〗^8 〖"(– 4)" 〗^5÷ 〖"(– 4)" 〗^8 = (−4)^5/(−4)^8 = (−4)^(5 − 8) = (−4)^(−3) = 𝟏/(−𝟒)^𝟑 (𝑈𝑠𝑖𝑛𝑔 𝑎^𝑚/𝑏^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.