# Chapter 4 - Section 4.4 - The Micrometer Caliper - Exercise 4.4A - Page 177: 20

9.88 mm

#### Work Step by Step

The barrel reading is:$\ \ \ \ \ \ \ \ \ \ \ 9.50$ mm The head reading is:$\underline{\ \ \ \ \ \ \ \ \ \ \ \ \ 0.38}$ mm The total measurement is:$\ \ \ \ 9.88$ mm

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