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The radioactive substance uranium-240 has a half-life of

14 hours. The amount A(t) of a sample of uranium-240 remaining (in grams) after t
hours is given by the following exponential function.
A(t)=3200 (1/2)t/14

User Lonewaft
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1 Answer

5 votes

Answer:

Just pUt t=40 then answer come

User Justin Meltzer
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