I don't quite understand half-life. How to solve this question?
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Originally Posted by yida I don't quite understand half-life. How to solve this question? $\displaystyle y = y_0\left(\frac{1}{2}\right)^{\frac{t}{h}}$ $\displaystyle y$ = amount left at any time $\displaystyle t$ in hrs $\displaystyle y_0$ = amount at $\displaystyle t = 0$ $\displaystyle h$ = half-life in hrs
the answer is wrong
Originally Posted by yida the answer is wrong what answer are you speaking of ? I gave you the general function for half-life, not an "answer".
I use y0=55 t=12 h=7.2 but I got wrong answer
what "wrong answer" did you get?
55(0.5)^(12/7.2)
Originally Posted by yida 55(0.5)^(12/7.2) = 17.324 mg ... and that is not wrong.
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