Question: A sample of radioactive element has a mass of 10 g at an instant t = 0. The approximate mass of this element in the sample after two mean lives is
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![Question:
A sample of radioactive
element has a mass of
10 g at an instant t = 0. The approximate mass of this
element in the sample after two mean lives is](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7041b808-24eb-4b06-8466-247084866651%2Fb9f1038a-2882-49f3-83ce-9fc21093b1b5%2Fwhc1lme_processed.jpeg&w=3840&q=75)
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