Mathematics, 03.02.2020 14:00 mettababeeeee
If the half-life of k-40 is 1.3 billion years and if a sample rock found on an island is estimated to be 1 billion years old, what percentage of the original parent k-40 would be present in the rock? round your numerical values to the hundredths decimal place.
answer choices
(a) 76.92%
(b) 1.3%
(c) 58.67%
(d) 99.99%
Answers: 1
Mathematics, 21.06.2019 17:00
100 points, hi, i’m not sure what to do here,the data doesn’t seem to be quadratic .? can anyone me, in advance
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Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?
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If the half-life of k-40 is 1.3 billion years and if a sample rock found on an island is estimated t...
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