'Radium decomposes at a rate proportional to the quantity of radium present: Suppose it is found that in 25 years approximately 1.1% of a certain quantity of radium has decomposed: Determine approximately how long it will take for one-half the original amount of radium to decompose.'
Added by Janet R.
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Step 1: Let's assume that the original amount of radium is 100 units (this is just an arbitrary number for simplicity). Show more…
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Radium decomposes at a rate proportional to the quantity of radium present. Suppose that it is found that in 25 years approximately 1.1% of a certain quantity of radium has decomposed. Determine approximately how long it will take for one-half of the original amount of radium be decomposed.
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