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If 175 undecayed nuclei remained from a sample of 2800 nuclei, how many half-lives has passed? *
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If 175 undecayed nuclei remained from a sample of 2800 nuclei, how many half-lives has passed? *

User KARTHIK BHAT
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2 Answers

1 vote

Answer:

Four half lives

Step-by-step explanation:

User Giles Thomas
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2 votes

Answer:

209

Step-by-step explanation:

User Polly
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