Please help me figure out these two questions
1 answer:
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Given that the half-life of the sample is 14.28 days, you are looking for a decay factor 
such that
Solving for yields
Now, after 57 days, you're told that a sample of unknown mass decayed to 55g, which means if
was the starting mass of the sample, then
Solving for yields
Solving for
Now, after 57 days, you're told that a sample of unknown mass decayed to 55g, which means if
Solving for
Here's how it's solved.. ツ
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