SOLUTION: The half-life of the radioactive element unobtanium -47 is 10 seconds. If 32 grams of -47 are initially present, how many grams are present after 10 seconds? 20 secon
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Question 1187707: The half-life of the radioactive element unobtanium -47 is 10 seconds. If 32 grams of -47 are initially present, how many grams are present after 10 seconds? 20 seconds? 30 seconds? 40 seconds? 50 seconds?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
The half-life of the radioactive element unobtanium -47 is 10 seconds. If 32 grams of -47 are initially present,
how many grams are present after 10 seconds?
32*1/2
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20 seconds?
32*(1/2)^2
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30 seconds?
32*(1/2)^3
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40 seconds?
32*(1/2)^4
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50 seconds?
32*(1/2)^5
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Do you see a pattern?
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