izzybeelauro izzybeelauro
  • 24-03-2020
  • Mathematics
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the half-life of a radioactive kind of iodine is 12 hours. how much will be left after 36 hours if you start with 832 grams of it

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novahm
novahm novahm
  • 24-03-2020

Answer:

104 g

Step-by-step explanation:

Using half life formula

A= a(1/2)^t/h, where t represents the hours, h represents the half life of iodine, a is the original amount and A is how much is left

A=[tex]832(1/2)^{36/12}[/tex]

=832(1/2)^3

=104 g left

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