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You are a scientist working on geological dig. You discover a rock layer that contains 50 grams of a substance known to have a half life of 50,000 years. 50% of the substance is parent material and 50% of the substance is daughter material. How old is the rock layer in which you found this substance?

Respuesta :

coochicans
All you do is divide 50,000 from 50%
which is 25000

To do that on calculator just divide 50,000 by 2