step-by-step explanation:
first you will have to convert 3/4 into a decimal
which is .75
then you will have to divide 1.5 by .75
which is 2
no you have to divide
e^-kt = n/n0 = 0.79
-kt = ln 0.79
t = - ln 0.79/0.0001
= 2357 years