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Half-Life — Quiz
Question 1
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Half-Life — Quiz
Question 1 • Physical Science
Samarium- 146 has a half-life of 103 point 5 million years. After 1 point 0 3 5 billion years, how much samarium- 146 will remain from a 205 - g sample?
Answer
A
0 point 4 0 0 g
B
0 point 2 0 0 g
C
103 g
D
20 point 5 g
Question 1
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