Multiple Choice
The isotope Cesium-137,which has a half-life of 30 years,is a product of nuclear power plants.How long will it take for this isotope to decay to about one-sixteenth its original amount?
A) 480 years
B) 240 years
C) 120 years
D) 960 years
Correct Answer:

Verified
Correct Answer:
Verified
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