Respuesta :

okiwix

Answer:

-5 * ln 0.5 or around 3.466

Step-by-step explanation:

first divide both sides by 2800 to get 0.5=[tex]e^{-0.2x}[/tex]. next put this in natural log: ln 0.5 = -0.2x divide both sides by -0.2 to get x = -5ln 0.5

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