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→Exponential decay and half-life: Partially reverted edit of formula, turns out that things break if ln is used
Specifically, the formula for the fraction of substance remaining after time t is:
Specifically, the formula for the fraction of substance remaining after time t is:
::<math>e^{-\frac{ln(2)}{H}\ t}</math>
::<math>e^{-\frac{log(2)}{H}\ t}</math>
where H is the half-life.
where H is the half-life.