Exponential Decay / Finding Half Life
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@MechInvent my name is not youtube
4 months ago 63
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you are the jesus of math.
2 years ago 32
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Also, when I calculated it, 10+20+40+80+160+320+640=1270 and ur answer is 1280
do I have a mistake in calculating??
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@patrickJMT so does this meam i shouls solve it like 0.5a=ae^8.56t and then tjat would be ln0.5/ln8.56?
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love the video man
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good work here
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@VerifiablyNoticible add differential in your search. it is a differential based equation.
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hello this vid helped me super mucho but have a conflicting issue on how to connect that into this problem: radioactive iodine decays accorindg to the equation y=ae^-0.0856t where t=days...how should i find the half life here? is the percentage decay 8.56%? nd then go from there likeyour vid?
duckhero3 3 weeks ago
@duckhero3 let a = some amount, let y = half of that amount, solve for t.
patrickJMT 3 weeks ago
please dont say LN please say natural log. it encourages us to use college math words
wen2669 4 weeks ago
@wen2669 lol
patrickJMT 4 weeks ago
Today i was humiliated by my teacher because i didn't know how to do this. he never taught it. the overachievers of course, knew everything before he even "teaches." he also made fun of my name... it was horrible. NOW i understand what we're doing... Thanks PatrickJMT!
lmaominh 3 months ago 5
@lmaominh sorry to hear that. my 8th grade science teacher, mr cox (now there is a name you can make fun of) told me i was a nerd cause i knew the answer to one of his questions. lots of weird people out there, teachers included.
patrickJMT 3 months ago 10