Mathematics
Senior High
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どうやって計算すれば良いですか?

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✨ Best Answer ✨

logMN=logM+logNを使って分解すればいいと思います(底の10は省略してます)

 - log(18 * 10^-6)
= - log(2 * 3^2 * 10^-6)
= - (log2 + log3^2 + log10^-6)
= - (log2 + 2log3 - 6log10)
= - (0.30 + 2*0.48 - 6*1)
= 4.74

Saki

回答ありがとうございます。2つとも助かりました

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