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15-11-2022
Mathematics

contestada

It is the year 2235. Scientists have unearthed a rock sample from
an old nuclear power plant where there was a big nuclear meltdown
in 1995. This rock sample contains 0.2 grams of 238 Pu. How
much 238 Pu was in the sample initially? Half-life for Plutonium-
238 is approximately 87 years.

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