ANSWER
[tex]89.992[/tex]EXPLANATION
We want to find the difference between 90 and 0.008.
We can rewrite 90 as:
[tex]90.000[/tex]Now, we subtract 0.008 from 90.000:
[tex]\begin{gathered} 90.000-0.008 \\ \Rightarrow89.992 \end{gathered}[/tex]That is the answer.