![SOLVED:Finding the Half-Life If 80% of a radioactive element remains radioactive after 250 million years, then what percent remains radioactive after 600 million years? What is the half-life of this element? SOLVED:Finding the Half-Life If 80% of a radioactive element remains radioactive after 250 million years, then what percent remains radioactive after 600 million years? What is the half-life of this element?](https://cdn.numerade.com/previews/f045e7a1-4078-4176-b0f4-757f9fa29d17_large.jpg)
SOLVED:Finding the Half-Life If 80% of a radioactive element remains radioactive after 250 million years, then what percent remains radioactive after 600 million years? What is the half-life of this element?
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