1) $285 \mu m = \square cm$ 2) $0.054 mC = \square nC$ 3) $5.5 kJ = \square MJ$ 4) $78 mm^{2} = \square cm^{2}$ 5) $0.025 cm^{3} = \square \mu m^{3}$ 6) $0.003 kg = \square \mu g$ 7) $5 \times 10^{-3} mL = \square m^{3}$ 8) $9 \times 10^{7} m^{2} = 9 \times 10^{7} \square$ 9) $7 \times 10^{6} cm^{2} = 7 \times 10^{-2} \square$ 10) $4 \times 10^{-3} km = 4 \square$ 11) $1.5 \frac{g}{dm^{3}} = \square \frac{kg}{Lit}$