# Cesium-137 has a half-life of 30 years. If you start with 1.0 g of 137Cs, how...

###### Question:

Cesium-137 has a half-life of 30 years. If you start with 1.0 g of 137Cs, how much 137Cs will be remaining after 60 years? O 0.30 g O 0.50 g O 0.90 g O 0.00 g O 0.25 g SUBMIT

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