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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asked Apr 26, 2018 76.3k views

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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?

Chemistry
high-school

Jae Woo Woo asked

by Jae Woo Woo

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4 votes

128 i believe

Hope this helps!

BananZ answered May 1, 2018

by BananZ

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