Solve the problem.In a chemical reaction, the rate at which the amount of a reactant changes with time is proportional to the amount present, such that 
, when t is measured in hours. If there are 
of reactant present when t = 0, how many grams will be left after 
? Give your answer to the nearest tenth of a gram.
A. 5.9 g
B. 4 g
C. 2 g
D. 0.1 g
Answer: B
Mathematics
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?
?
?
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B. 
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D. 
E. 
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A. 5 - 3i
B. 5 + 3i
C. - 
+ 
D. 
+ 
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 multiple choice.png)
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