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kg0923 kg0923
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5 years ago
If a radioactive element has a half-life of 5760 years, and the amount of parent material remaining is one-fourth of the original amount, the specimen is about
A) 11,520 years old.
B) 17,280 years old.
C) 23,040 years old.
D) 28,800 years old.
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alejomm21alejomm21
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#1
Posts: 160
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5 years ago
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kg0923 Author
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#2
5 years ago
You are really a genius. Thanks
wrote...
#3
5 years ago
NP
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