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A sample of radium has a weight of 1.5 mg and a half-life of approximately 6 years.

a. How much of the sample will remain after 6 years?

Respuesta :

alexanderorangeguy

Answer:

0.75mg

Step-by-step explanation:

6 years is its half life, meaning that half of it will have iradiated by that point. 1.5 / 2 = 0.75

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