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What is the rocks age if the half life of potassium 40 is 1.3 billion years?
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What is half of 2 billion?
1 billion is half of 2 billion.
What is half of 6.5 billion?
Half of 6.5 billion is 3,250,000,000 (3.25 billion).
How do you write 1 and one half billion?
1 and one half billion can be written as 1.5 billion.
What is one half billion divided by 16?
One half billion divided by 16 is 31,250.
What is one half as much as 1 billion?
half of 1 billion is five hundred million. 1 billion halfs would be five hundred million. n / 2 = 1 billion, n = 2 billion
What is half life of potassium-40?
The half life of potassium 40 is 1.3 billion years.
What is the half life of potassium-40?
The half life of potassium 40 is 1.3 billion years.
A potassium 40 sample starts with 50 atoms and 1.25 billion years later there are 25 atoms What is the half life of potassium 40?
1.25 billion years: 25/50 or half the original atoms have disintegrated in 1.25 billion years, and that is the definition of half life.
A potassium-40 sample starts with 50 atoms and 1.25 billion years later there are 25 atoms. What is the half-life of potassium-40?
1.25 billion years
Assume that the age of the Earth is 4.6 billion years How many half-lives of Potassium-40 does the age of the Earth represent?
Divide 4.6 billion by 1.31x109 which is the half life of Potassium-40 and you will have your answer.
How much potassium-40 would remain after three half lives?
Potassium 40 is an isotope with 19 protons (and electrons) and 21 neutrons. Potassium 40 accounts for around 0.012% of potassium and is fairly stable (half life of 1.25 billion years).Potassium 40 is an isotope with 19 protons (and electrons) and 21 neutrons. Potassium 40 accounts for around 0.012% of potassium and is fairly stable (half life of 1.25 billion years).Potassium 40 is an isotope with 19 protons (and electrons) and 21 neutrons. Potassium 40 accounts for around 0.012% of potassium and is fairly stable (half life of 1.25 billion years).Potassium 40 is an isotope with 19 protons (and electrons) and 21 neutrons. Potassium 40 accounts for around 0.012% of potassium and is fairly stable (half life of 1.25 billion years).
What is the age of a mineral that contains 25 percent parent and potassium 40 and argon 40 and 75 percent daughter and the half life potassium 40 is 1.25 billion years?
It is 2.5 billion years.
How old are Canadian rocks?
Not all Canadian rocks are the same age. The oldest ones are about three and a half billion years old.
If a radioactive isotope had a half - life of 1 billion years how much of it would be left after 2 billion years?
1/4: Half would be gone after a billion years and half of that would be gone in another billion years. 1/4: Half would be gone after a billion years and half of that would be gone in another billion years. 1/4: Half would be gone after a billion years and half of that would be gone in another billion years.
Explain why U-238 is used for the purpose of dating rocks?
Because it has a very long half life period of nearly 4.5 billion years.
Suppose you find a rock that contains some potassium-40 half-life of 1.3 billion years You measure the amount and determine that there are 5 grams of potassium-40 in the rock By measuring the amount o?
I don't get it. What's your question?
What is uranium-238's half -life?
4.47 billion years
