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Yahoo!

  • 2 years ago

12.5% of an isotope remains after 8 years from the initial stage. After 8 more years the quantity persent will be?

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  1. sauravshakya
    • 2 years ago
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    first find half- life.can u?

  2. sauravshakya
    • 2 years ago
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    @Yahoo!

  3. Yahoo!
    • 2 years ago
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    Let me try

  4. Tomas.A
    • 2 years ago
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    it... will... be... posted in physics group

  5. sauravshakya
    • 2 years ago
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    @Yahoo! u there

  6. Yahoo!
    • 2 years ago
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    nop....it is maths question ... in sequence and series

  7. Tomas.A
    • 2 years ago
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    lol ok

  8. Yahoo!
    • 2 years ago
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    No ... Idea

  9. sauravshakya
    • 2 years ago
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    First |dw:1344690805456:dw|

  10. sauravshakya
    • 2 years ago
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    here x is the initial amount of the isotope

  11. sauravshakya
    • 2 years ago
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    can u find common ratio.......

  12. sauravshakya
    • 2 years ago
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    or u can do it as |dw:1344690939900:dw|

  13. sauravshakya
    • 2 years ago
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    |dw:1344690979564:dw|

  14. sauravshakya
    • 2 years ago
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    |dw:1344691068840:dw|now find

  15. sauravshakya
    • 2 years ago
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    can u? @Yahoo!

  16. Fellowroot
    • 2 years ago
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  17. ganeshie8
    • 2 years ago
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    \(.125 = e^{8r}\)

  18. ganeshie8
    • 2 years ago
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    @Fellowroot has it !

  19. sauravshakya
    • 2 years ago
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    |dw:1344691170393:dw|

  20. jcyogi
    • 2 years ago
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    people this girl needs help ---------> tafara27

  21. sauravshakya
    • 2 years ago
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    so the answer is 1.56 percent

  22. sauravshakya
    • 2 years ago
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    can also be done using simple maths......

  23. sauravshakya
    • 2 years ago
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    do u want me to do that? @Yahoo!

  24. Yahoo!
    • 2 years ago
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    @sauravshakya the answer should be 25/16 %

  25. sauravshakya
    • 2 years ago
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    |dw:1344692147133:dw|

  26. Yahoo!
    • 2 years ago
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    hw did u get that

  27. Yahoo!
    • 2 years ago
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    i got it thxxx

  28. sauravshakya
    • 2 years ago
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    ok.....

  29. sauravshakya
    • 2 years ago
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    welcomx

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