Question 651429
{{{P=Ae^(kt)}}}
k is the growth/decay rate
k = rate of growth (when >0) or decay (when <0)
so, for
{{{P=72e^(-.14t)}}}
k is -.14
since it is negative we know it is a "decay" rate
therefore,
the "decay rate" is .14
OR, you could say:
the "decay rate" is 14%