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PLEASE HELP!!! WILL MEDAL AND LIKE The half-life of a certain radioactive element is 800 years. How old is an object if only 12.5% of the radioactive atoms in it remain?

PLEASE HELP!!! WILL MEDAL AND LIKE The half-life of a certain radioactive element is 800 years. How old is an object if only 12.5% of the radioactive atoms in it remain?
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PLEASE HELP!!! WILL MEDAL AND LIKE

The half-life of a certain radioactive element is 800 years. How old is an object if only 12.5% of the radioactive atoms in it remain?

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User Jae Woo Woo
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8.4k points

1 Answer

4 votes
128 i believe

Hope this helps!
answered
User BananZ
by
8.3k points
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