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OpenStudy (anonymous):
Figure 14-1 shows the decay of a sample of Neptunium-238 over a period of 10 days. What is the half-life of this element? (1 point) 1 day 2 days 5 days 10 days
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OpenStudy (anonymous):
OpenStudy (anonymous):
2 days
OpenStudy (anonymous):
thank you again
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