Solve the Problem $23 \mathrm{~mm}$ Long What Is This Length Measured In Tenth

Multiple Choice

Solve the problem. Round to the nearest tenth if necessary.
-The string on a balloon is $23 \mathrm{~mm}$ long. What is this length measured in $\mathrm{cm}$ ?

A) $2300 \mathrm{~cm}$
B) $0.2 \mathrm{~cm}$
C) $2.3 \mathrm{~cm}$
D) $230 \mathrm{~cm}$