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OpenStudy (anonymous):
Carbon-14 has a half life of 5,730 years. If a sample contains 70 mg originally, how much is left after 17,190 years? @beccaboo333
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OpenStudy (beccaboo333):
What do you think?
OpenStudy (anonymous):
I dont know. I do not understand.
OpenStudy (beccaboo333):
Give me a moment
OpenStudy (beccaboo333):
There is 3 half-life time in 17190 years. So this, ( 17190/5730 = 3) If to use the half life formula you'd have, y=original amount * (1/2)^x y=70(1/2)^3 y=8.75 mg Welcome to OpenStudy.
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