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OpenStudy (anonymous):
if 50% of a radiactive element remains after 4000 years, what is the half size? P.S please give me a short explanation
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OpenStudy (anonymous):
@Sheng
OpenStudy (anonymous):
you mean half-life?
OpenStudy (anonymous):
yea
OpenStudy (anonymous):
@sommersquid
OpenStudy (anonymous):
google how to find the half life. You basically divide by two
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OpenStudy (anonymous):
answer is right there, read the question carefully half-life is the amount of time it takes for something to lose half the amount since 4000 yrs to go to 50%...answer is?
OpenStudy (anonymous):
oh thank you
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