Multiple Choice
Cesium-137 has a half-life of 31.0 y.The time required for the cesium-137 now present to decrease to 1/30 its present value is
A) 930 y
B) 30 y
C) 465 y
D) 152 y
E) 1.6 y
Correct Answer:
Verified
Correct Answer:
Verified
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