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Please help me with th question. Thank you so much! 7) Phosphorus - 32 is radioactive & has a halflife of 14. 3 days Calculate

Please help me with th question. Thank you so much!

7) Phosphorus - 32 is radioactive & has a halflife of 14. 3 days Calculate the number of nuclei and The activity of a 6 0 ng sample of phosphorus - 32. How many nuclei remain and what is The activity after 1 year

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