Mathematics, 19.07.2019 19:20 alishabhappy1

thorium 234 is a radioactive substance that decays at a rate proportional to the amount present. 1 gram of this material is reduced to 0.8 grams in one week
(a) find an expression that expresses the amount of thorium 234 present at any time
(b) find half life of thorium 234
(c) find amount of thorium 234 present after 10 weeks

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thorium 234 is a radioactive substance that decays at a rate proportional to the amount present. 1 g...

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