Chemistry, 07.01.2022 08:50 xemnas1994

A sample taken from a layer of mica in a canyon has 2. 10 grams of potassium-40. A test reveals it to be 2. 6 billion years old. How much potassium-40 was in the sample originally if the half-life of potassium-40 is 1. 3 billion years?.

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A sample taken from a layer of mica in a canyon has 2. 10 grams of potassium-40. A test reveals it t...

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