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If a Radioactive Element Has a Half-Life of 5760 Years,and

Question 156

Multiple Choice

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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