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OpenStudy (anonymous):
A 18 gram sample of a substance that's used to detect explosives has a k-value of 0.125
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OpenStudy (zzr0ck3r):
is this math?
OpenStudy (anonymous):
yes...
OpenStudy (zzr0ck3r):
what is the question then?
OpenStudy (anonymous):
find the halflife in days
OpenStudy (zzr0ck3r):
ahh 18e^(0.125t)= 9?
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OpenStudy (anonymous):
umm, well no lol. hold on, dont need answer anymore, thanks anyways
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