Question 1140026
This may be less efficient than you want:
<pre>
TIME, hours         AMOUNT, mg

0                     4

1                    0.55*4=2.2

2                   0.55*2.2=1.21

3                  0.55*1.21=0.6655

4                  0.55*0.6655=0.366025

5                  0.55*0.366025=0.20131375

6                  0.55*0.20131375=0.1107226
</pre>
You should be able to use the pattern to form an equation.


Your final number should be 0.1 milligrams.