Find an approximate value of the number e(adsbygoogle = window.adsbygoogle || []).push({}); ^{-0.1}with an error less than 10^{-3}

ı know that e^{x}= Ʃ(from zero to ınfinity) x^{n}/ n!=1+x/1!+x^{ 2}/2!+....

ı don't know how to use e^{-0.1}in this question.Do ı write -0.1 instead of x in e^{x}series?

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# Homework Help: Approximation Using Taylor POlynomial

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