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Is -2.0138e-01 equal to -0.20138 (or) -0.00138 (or) 0.20138 (or) 0.00138.

Not sure how to read the -ve numbers and positive numbers.

This website() shows 0.00138 for -2.0138e-01.

Not quite sure, if that's right

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1 Answer

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I'd interpret that as $-0.20138$. I don't quite understand why the $2$ or the negative sign should be ignored.

\begin{align} -2.0138E-01 & = -2.0138 \times 10^{-1} \\ & = -2.0138 \times 0.1 \\ & = -0.20138 \end{align}

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