40K decays to 40 Ar with a half-life of 1.25 x 109 yr. Assume that rocks contain no 40 Ar when they form, and that the o

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40K decays to 40 Ar with a half-life of 1.25 x 109 yr. Assume that rocks contain no 40 Ar when they form, and that the o

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40k Decays To 40 Ar With A Half Life Of 1 25 X 109 Yr Assume That Rocks Contain No 40 Ar When They Form And That The O 1
40k Decays To 40 Ar With A Half Life Of 1 25 X 109 Yr Assume That Rocks Contain No 40 Ar When They Form And That The O 1 (65 KiB) Viewed 54 times
40K decays to 40 Ar with a half-life of 1.25 x 109 yr. Assume that rocks contain no 40 Ar when they form, and that the only way 4ºar can be present is through the decay of 40K. If the ratio of 40K to 40 Ar in a particular rock is found to be 1.3, what is the age of the rock?
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