You are trying to determine the half-life of a new radioactive element you have isolated. You start with 2 grams, and 4 days later you determine that it has decayed down to 0.1 gram. What is the half-life? Round your answer to three decimal places.
?
Select the answer rounded to three decimal places.
?
A. 1.388 days
B. 1.851 days
C. 2.777 days
D. 0.463 days
E. 0.926 days
Answer: E
Mathematics
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