Biology

Biology, 31.07.2019 08:00, mayslays

How old is bone in which the carbon 14 in it has undergone 3 half lives

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Chemistry, 17.07.2019 00:40, savyblue1724707

1) how old is a bone in which the carbon-14 in it has undergone 8 half-lives? select one: a. 45600 b. 91200 c. 91200 d. 11400 2) in the process of radiocarbon dating, the fixed period of radioactive decay used to determine age is called the select one: a. exponent. b. half-life. c. isotope. d. nucleus. 3) a certain byproduct in nuclear reactors, 210po, decays to become 206pb. after a time period of about 276 days, only about 25% of an original sample of 210po remains. the remainder has decayed to 206pb. determine the approximate half-life of 210po. select one: a. 138 days b. 276 days c. 414 days d. 552 days

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Biology, 23.07.2019 05:30, zahrast14

Radioactive decay of carbon 14 years since death c14 atoms remaining per 1.0 x 108 c12 atoms 0 10,000 5,700 5,000 11,400 2,500 17,100 1,250 22,800 625 28,500 312 34,200 156 39,900 78 45,600 30 51,300 20 57,000 10 62,700 5 68,400 2 how old is a bone in which the carbon-14 in it has undergone 3 half-lives? a. 11,400 b.17,100 c. 34,200 d. 57,000 hurry i have a test

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Biology, 02.08.2019 07:20, esigaran24

Scientists found a fossilized bone from an organism at an excavation site in north dakota. when they took the bone back to the lab, they realized that the bone had only 12.5% of the total carbon-14 left. based on the amount of carbon-14 left in the bone how old is the bone if the half-life of carbon-14 is 5730 years?

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Chemistry, 02.08.2019 08:20, ElizabethF

How old is a bone in which the carbon-14 in it has undergone 3 half-lives?

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