Solve the Problem $40 \mathrm{~km}$ In One Afternoon $\mathrm{m}$ Did She Ride?
A)

Multiple Choice

Solve the problem. Round to the nearest tenth if necessary.
-Julie rode her bicycle $40 \mathrm{~km}$ in one afternoon. How many $\mathrm{m}$ did she ride?

A) $40,000 \mathrm{~m}$
B) $0.04 \mathrm{~m}$
C) $4000 \mathrm{~m}$
D) $0.4 \mathrm{~m}$