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Chemistry, 25.01.2021 23:00 whitethunder05

If 1/4 of the parent isotope is left in the rock how many half-lives have passed? GIVING BRAINLEST TO WHOEVER ANSWERS FIRST WITH THE RIGHT ANSWER!!!

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If 1/4 of the parent isotope is left in the rock how many half-lives have passed? GIVING BRAINLEST...

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