Question

P=210e^0.0069t what would t equal?

Answer 1

P=210e^0.0069t
rewrite as 210e^0.0069t=P
(210e^0.0069t)210=P/210
e^0.0069t=P/210
ln(e^0.0069t)=ln(P/210)
0.0069t=ln(P/210)
(0.0069t)/0.0069=(ln(P/210))/0.0069t
t=(ln(P/210))/0.0069