SOLUTION: A radioactive substance weights 268g and its half life is 10 minutes. How much will the substance weigh after 2 hours? we are studying geometric sequences right now :)
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-> SOLUTION: A radioactive substance weights 268g and its half life is 10 minutes. How much will the substance weigh after 2 hours? we are studying geometric sequences right now :)
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Question 1193486: A radioactive substance weights 268g and its half life is 10 minutes. How much will the substance weigh after 2 hours? we are studying geometric sequences right now :) Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! A radioactive substance weights [sic] 268g and its half life is 10 minutes. How much will the substance weigh after 2 hours?
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2 hours is 12 periods of 10 minutes each.
-----> 268*(1/2)^12 g left.
