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OpenStudy (anonymous):
Carbon-14 has a half-life of 5,730 years. After how many half-lives will 120 grams of Carbon-14 decay to 15 grams? Please help!
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OpenStudy (aaronq):
how many half lives must have passed?
OpenStudy (aaronq):
1) 120/2 = 60 2) 60/2= 30 etc
OpenStudy (anonymous):
Thank you so much! I get it! Thanks!
OpenStudy (aaronq):
awesome, no problem!
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