▼ Part C - The initial sample is 3.1 kg. What is the mass of the radioactive material that remains after 3.50 years? Keep 3 digits after the decimal point. mass remains = Keep 3 digits after the decimal point. mass decayed = Part Din Part C, What is the mass of the radioactive material that has decayed in 3.50 years? 17 ΑΣΦ Ro= Keep 2 digits after the decimal point. G| ΑΣΦ G| ΑΣΦ N= Part E - New case: The initial sample has No = 6.4x1010 radioactive nuclei. What is the initial activity in decays/s (Bq)? Use scientific notations, format 1.234*10". [5] ΑΣΦ C ? ? ? Bq Part F-New case: The initial sample has No = 6.4x1010 radioactive nuclei. What is the number of radioactive nuclei that remain after 3.50 years? kg ? kg
▼ Part C - The initial sample is 3.1 kg. What is the mass of the radioactive material that remains after 3.50 years? Keep 3 digits after the decimal point. mass remains = Keep 3 digits after the decimal point. mass decayed = Part Din Part C, What is the mass of the radioactive material that has decayed in 3.50 years? 17 ΑΣΦ Ro= Keep 2 digits after the decimal point. G| ΑΣΦ G| ΑΣΦ N= Part E - New case: The initial sample has No = 6.4x1010 radioactive nuclei. What is the initial activity in decays/s (Bq)? Use scientific notations, format 1.234*10". [5] ΑΣΦ C ? ? ? Bq Part F-New case: The initial sample has No = 6.4x1010 radioactive nuclei. What is the number of radioactive nuclei that remain after 3.50 years? kg ? kg
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