Suppose you found a rock, and through testing found out that it had just as much lead-206 as uranium-238 in it. How old would you conclude the rock to be?
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Ответ:
The answer is below
Explanation:
Let m be the mass of each of lead-206 and uranium-238 found in the rock. The radioactive decay is given as:
half life of uranium-238 = 4.468 * 10⁹ years
λ = 0.693 / half life = 0.693 / 4.468 * 10⁹ years = 0.1551 * 10⁻⁹
Ответ:
.
Step-by-step explanation: