Sam K.

asked • 11/02/14

Starting with 160 grams of a radioactive isotope, how much will be left after 4 half-lives?


The half-life of a radioactive isotope is the time it takes for a quantity of the isotope to be reduced to half its initial mass. Starting with 160 grams of a radioactive isotope, how much will be left after 4
half-lives?
 
Round your answer to the nearest gram.

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