Answer
$2.586~ in.$
Work Step by Step
The first mark to the left of the $0$ is: $2.5~in$.
The number of $0.025$ marks is $3\times0.025$: $0.075~in$.
The mark that most nearly lines up is: $0.011~in$
The total measurement is: $2.5+0.075+0.011=2.586~in$.