wilsohei015 wilsohei015

04-05-2022
Physics

contestada

If the half-life of a radioactive isotope is 7,000 years and the amount of the parent isotope present in an igneous rock is only one-fourth of the original amount, how old is the rock?

Respuesta :

micahbattley micahbattley

04-05-2022

Answer:

1750

Explanation:

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