Multiple Choice
About how many days are required for a radioactive sample,with an initial activity of 105 Bq,to decay to an activity of 100 Bq? The half-life of the material is 4.5 days.
A) about 45 days
B) about 36 days
C) about 54 days
D) about 31 days
Correct Answer:
Verified
Correct Answer:
Verified
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