isabellesolisss9020 isabellesolisss9020

25-10-2021
SAT

contestada

the half life of radium-226 is 1600 years. after how many half-lives would 25% of the radium-226 remain?

Respuesta :

ashlynnefranken2009 ashlynnefranken2009

26-10-2021

Answer:

400

Explanation:

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