addyweikert11 addyweikert11

06-04-2021
Mathematics

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cesium-137 has a half-life of approximately 30 years. how much of a 40g sample would be left after 90 years?

Respuesta :

lackco103503 lackco103503

06-04-2021

Answer:

5g

Step-by-step explanation:

the first half life would be 20 the next, 10. and lastly 5

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