mariahcid904
19.11.2019 •
Mathematics
You are given the ratio of carbon atoms in a fossil. use the information to estimate the age of the fossil. in living organic material, the ratio of radioactive carbon isotopes to the total number of carbon atoms is about 1 to 1012. when organic material dies, its radioactive carbon isotopes begin to decay, with a half-life of about 5715 years. so, the ratio r of carbon isotopes to carbon-14 atoms is modeled by where t is the time (in years) and t = 0 represents the time when the organic material died. (round your answer to one decimal place.)
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Ответ:
Step-by-step explanation:
so there are 8 marbles in the bag1/3 red, 1/4 green, 1/6 bluerest are yellow
red ones1/3(8) = 8/3 = 2 2/3 are red
green ones1/4(8) = 8/4 = 2 are green
blue ones1/6(8) = 8/6 = 1 1/3 are blue
2 2/3 + 2 + 1 1/3 = 6 marbles are not yellowthat leaves you with 2 yellow marbles