anonymous
  • anonymous
12.5% of an isotope remains after 8 years from the initial stage. After 8 more years the quantity persent will be?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
first find half- life.can u?
anonymous
  • anonymous
@Yahoo!
anonymous
  • anonymous
Let me try

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anonymous
  • anonymous
it... will... be... posted in physics group
anonymous
  • anonymous
@Yahoo! u there
anonymous
  • anonymous
nop....it is maths question ... in sequence and series
anonymous
  • anonymous
lol ok
anonymous
  • anonymous
No ... Idea
anonymous
  • anonymous
First |dw:1344690805456:dw|
anonymous
  • anonymous
here x is the initial amount of the isotope
anonymous
  • anonymous
can u find common ratio.......
anonymous
  • anonymous
or u can do it as |dw:1344690939900:dw|
anonymous
  • anonymous
|dw:1344690979564:dw|
anonymous
  • anonymous
|dw:1344691068840:dw|now find
anonymous
  • anonymous
can u? @Yahoo!
Fellowroot
  • Fellowroot
1 Attachment
ganeshie8
  • ganeshie8
\(.125 = e^{8r}\)
ganeshie8
  • ganeshie8
@Fellowroot has it !
anonymous
  • anonymous
|dw:1344691170393:dw|
anonymous
  • anonymous
people this girl needs help ---------> tafara27
anonymous
  • anonymous
so the answer is 1.56 percent
anonymous
  • anonymous
can also be done using simple maths......
anonymous
  • anonymous
do u want me to do that? @Yahoo!
anonymous
  • anonymous
@sauravshakya the answer should be 25/16 %
anonymous
  • anonymous
|dw:1344692147133:dw|
anonymous
  • anonymous
hw did u get that
anonymous
  • anonymous
i got it thxxx
anonymous
  • anonymous
ok.....
anonymous
  • anonymous
welcomx

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