22-04-2015
Chemistry

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if you have 1000g of radioactive waste with a half life of 50 million years what amount will you have left after 200 million years?

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Frankyg44 Frankyg44

22-04-2015

You will have 62.5 grams

1000g at 0 years
500g at 50mill
250g at 100mill
125g at 150 mil
62.5g at 200mill

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