Mathematics, 24.07.2019 12:00 levicorey846
The radioactive isotope carbon-11 is used in medicine for brain-scan procedures. it decays losing half its mass every 20 minutes. if a doctor checks on a patient two hours after the isotope has been administered and 0.10 microgram of it still remains, what is the amount of isotope carbon-11 administered to the patient.
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