Question 301785
{{{N(t) = 310000*(1/2)^t}}}
{{{5000 = 310000*(1/2)^t}}}
Multiply both sides by {{{2^t}}}
{{{2^t = 310000/5000}}}
{{{2^t = 62}}}
take the log of both sides
{{{log(2^t) = log(62)}}}
{{{t*log(2) = log(62)}}}
{{{t = log(62)/log(2)}}}
You can solve with calculator