Physics, 26.08.2021 19:20 morrisjillian23
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A scientist digs up sample of arctic ice that is 458,000 years old. He takes it to his lab and finds that it contains 1.675 grams of krypton-81.
If the half-life of krypton-81 is 229,000 years, how much krypton-81 was present when the ice first formed?
Use the formula N = N0 .
The ice originally contained *Drop down menu* (0.419) (2.34) (2.81) (3.35) (6.70)
grams of krypton 81.
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