Answer:
2.7 cm
Explanation:
Pre-Solving
We are given 27 millimeters (mm) and we want to multiply it by 1 cm / 10 mm.
- This process is similar to that of dimensional analysis that is common in Chemistry. Our goal is to convert from one label (mm) to another (cm).
Solving
To multiply 27 mm by 1 cm / 10 mm , we can set it up like this:

The mm's cancel out.
We are left with:

This simplifies:
