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Mariana
[72]
3 years ago
14
a radioactive element has a half-life of 30 days. calculate the mass of the element that remains after 20 days if 100g of the el
ement decays. Also, calculate the decay constant.
Physics
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1
answer:
patriot
[66]
3 years ago
4
0
Explanation:
the answer is in the image above
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