Answer
0.453 in
Work Step by Step
Numbered divisions on the barrel $4\times0.100=\ \ \ 0.400$ in
Small divisions on the barrel$\ \ \ \ \ \ \ \ \ 2\times0.025=\ \ \ 0.050$ in
Head reading$\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 3\times0.001=\underline{\ \ \ 0.003}$ in
The total measurement is $\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 0.453$ in
