Multiple Choice
A rock sample containing an isotope with a half-life of 28 million years has an initial mass of 184 grams. How much daughter isotope is present after three half-lives?
A) 23 grams
B) 46 grams
C) 69 grams
D) 115 grams
E) 161 grams
Correct Answer:
Verified
Correct Answer:
Verified
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