hautansyon96p7whq5 hautansyon96p7whq5
  • 28-04-2018
  • Mathematics
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If 14 g of a radioactive substance are present initially and 3 years later only 7 g remain, how much of the substance will be present after 8 yr?

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xlyn27
xlyn27 xlyn27
  • 28-04-2018
3.5 substances will be present after 8 years
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shobl2
shobl2 shobl2
  • 28-04-2018
find the half-life of the substance, then solve.
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