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A certain radioactive substance decays at a rate proportional to its remaining mass M. a. Express this rate of decay

Question:

A certain radioactive substance decays at a rate proportional to its remaining mass M. a. Express this rate of decay as a dif
A certain radioactive substance decays at a rate proportional to its remaining mass M. a. Express this rate of decay as a differential equation. b. When a living organism dies it ceases to replace the carbon isotope C-14, and 48. the C-14 that is present decays with a half-ife of about 5730 years. If archeologists discover a fossilized bone that has 30% of the C-14 of a live bone, approximately how old is it?

Answers

mads at (a), Then dlt So, Solution abo YL At e. Lt Mo Wneno,3) 2. -12o) 0 69 3 よ= 9952.813

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