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A Radioactive Substance with a Half-Life of 3

Question 124

Multiple Choice

A radioactive substance with a half-life of 3.0 days has an initial activity of 2400 Bq.What is its activity after 6.0 days?

A) 1200 Bq
B) 1800 Bq
C) 600 Bq
D) 300 Bq
E) 150 Bq

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