Question: I want step by step explanation for each question please. I will give thumps up if I get the answer today before midnight. Thank you!

I want step by step explanation for each question please. I will give thumps up if I get the answer today before midnight. Thank you!

The half-life of bismuth-213 is 46.1 minutes. How many minutes does it take for a sample of Bi-213 to decay to 5.63% of its initial value? The half-life for cobalt-60, a radionuclide used to treat brain cancer, is 5.27 years. Calculate the percentage of cobalt- 60 remaining after 1.25 years. Use three significant figures for the percentage

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