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1.6×10-2乗−8.0×10-3乗の答えが8×10-3乗で、計算しても答えに-3乗が出てこないんですが計算の式教えて下さい🙇

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✨ Best Answer ✨

 1.6×10^-2-8.0×10^-3
=16×10^-3-8.0×10^-3
=(16-8.0)×10^-3   ←10^-3でくくる
=8×10^-3

分からなければ質問してください

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