How many half-lives did the rock go through? 4. If a rock had 40 daughter atoms present, how old would the rock be?

asked Sep 23, 2022 4.0k views

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0 votes

160 should be the right answer

Amiola answered Sep 25, 2022

7.9k points

9 votes

160 I would say hope this helped

Vinitha answered Sep 28, 2022

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