Multiple Choice
Suppose an isotope has a half-life of 50 million years, and 1\8 of the sample remaining consists of that isotope. What is the age of the rock from which it was taken?
A) 150 million years
B) 300 million years
C) 400 million years
D) 600 million years
E) 800 million years
Correct Answer:

Verified
Correct Answer:
Verified
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