Mathematics, 22.05.2020 18:58, cchsemily7210

Radium 226, which had been used for cancer treatment, decays with a half-life of 1622 years.
a. Find the constant K using 1 g as the original amount of radium 226
b. Suppose there is a 2.3 g sample of radium 226. How long will it take to have 1.7 g remaining?

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Radium 226, which had been used for cancer treatment, decays with a half-life of 1622 years.
a...