If 1 light-year≈9.46×1015 meters1 \text{ light-year} \approx 9.46 \times 10^{15} \text{ meters}1 light-year≈9.46×1015 meters, how many gigameters (Gm)\text{gigameters (Gm)}gigameters (Gm) is this? (1 Gm=109 m1 \text{ Gm} = 10^9 \text{ m}1 Gm=109 m)
9.46×106 Gm9.46 \times 10^6 \text{ Gm}9.46×106 Gm
9.46×1024 Gm9.46 \times 10^{24} \text{ Gm}9.46×1024 Gm
9.46×1015 Gm9.46 \times 10^{15} \text{ Gm}9.46×1015 Gm
9.46×1012 Gm9.46 \times 10^{12} \text{ Gm}9.46×1012 Gm