Wednesday
July 23, 2014

Homework Help: science

Posted by matt on Monday, September 10, 2007 at 8:43pm.

suppose you have 100grams of radioactive plutonium-239 with a half-life of 24,000 years. how many grams of plutonium-239 will remain after:
A)12,000 years
B)24,000 years
C)96,000 years

how do i do this??????

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