Mathematics, 12.12.2020 16:40, beelcypher
the half life of potassium-40 (k-40) is 1.25 billion years. if you begin with 130 g of k-40 how much remains after 2.5 billion years?
Answers: 1
Mathematics, 22.06.2019 06:00, Superfamicom7748
As a salesperson you get $18/day and $2.80. for each sale you make ifyou want to make at least $79 in one day, how many sales would you need to make? a 21b 22c 23d 24
Answers: 1
the half life of potassium-40 (k-40) is 1.25 billion years. if you begin with 130 g of k-40 how much...
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