Multiple Choice
The beta decay of cesium-137 has a half-life of 30.0 years.How many years must pass to reduce a 30 mg sample of cesium 137 to 5.2 mg?
A) 76 years
B) -76 years
C) 38 years
D) 0.040 years
E) 25 years
Correct Answer:

Verified
Correct Answer:
Verified
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