perlasanchez5047 perlasanchez5047

23-11-2018
Mathematics

contestada

You have 2,088 grams of a radioactive kind of xenon. How much will be left after 18 hours if its half-life is 9 hours?

So idk.. 18 divied by 9 then.. idk

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Аноним Аноним

23-11-2018

After 9 hours there will be 2088 / 2 = 1044 grams left

After another 9 hours ( total of 18 hours) there will be 1044 / 2

= 522 grams left

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