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2 years ago

13

An isotope of cesium (cesium-137) has a half-life of 30 years. If 4.0 mg of cesium-137 decays over a period of 120 years, how ma

ny mg of cesium-137 would remain?

Advanced Placement (AP)

1 answer:

inna [77]2 years ago

5 0

Answer:

.,no entiendo ni mierda

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