Question 1130123
{{{f=250*b^t}}}


{{{250b^250=32}}}
{{{b^250=32/250}}}
{{{b^250=16/125}}}
{{{250*log((b))=log((16/125)}}}

{{{log((b))=(1/250)*log((16/125))}}}

{{{log((b))=-0.0035711}}}

{{{b=0.991811}}}

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half-life:
{{{1*0.991811^x=1/2}}}
{{{x*log((0.991811))=log((0.5))}}}
{{{x=log((0.5))/log((0.991811))}}}
{{{x=84.3}}}{{{minutes}}}


{{{highlight_green(f=250*(1/2)^(t/84.3))}}}