Anonymous asked in Science & MathematicsPhysics · 9 years ago

I know the half life but how do i find k?

My equation is N(t)=20000e^(k*10.5) how do i find k?

1 Answer

  • 9 years ago
    Favorite Answer

    Is 10.5 the half life?

    For any half life the ratio of activity is 0.5

    0.5 = e^(10.5k)

    ln(0.5) = 10.5k


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