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Montano1993 [528]
3 years ago
7

When a rock first formed, it contained 8 milligrams of potassium-40. How much potassium-40 would remain after three half-lives?

Biology
1 answer:
Slav-nsk [51]3 years ago
3 0

Answer:

l milligram

Explanation:

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Picture 1 depicts convergent boundary.

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