Chemistry

The radioisotope radon-222 has a half-life of 3.8 days. How much of a 65-g sample of radon-222 would be left after approximately 15 days?

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  1. amount left=65*e^(-.693*15/3.8)
    put this in your google search window:
    65*e^(-.693*15/3.8)=

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    bobpursley

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