Change the Given Quantity to the Indicated Unit $439 \mathrm{~g}=$ _______ $\mathrm{mg}$

Multiple Choice

Change the given quantity to the indicated unit.
- $439 \mathrm{~g}=$ _______ $\mathrm{mg}$

A) ${0.439 \mathrm{mg}}$
B) $43,900 \mathrm{mg}$
C) $439,000 \mathrm{mg}$
D) $0.0439 \mathrm{mg}$