SOLUTION: Find the monthly rate of decay on a radioactive sample that weighed 100 grams in May and weighs 50 grams in November.
Please help! Thanks.
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Question 236028: Find the monthly rate of decay on a radioactive sample that weighed 100 grams in May and weighs 50 grams in November.
Please help! Thanks.
Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
May to November is 6 months ___ r is the rate of decay
___ the weight each month is the previous month's weight multuiplied by (1 - r)
the equation is ___ 50 = 100 (1 - r)^6
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