720 cm2 ≈ 7.2 × 10^-8 km2. To convert square centimeters to square kilometers, divide by 10,000,000,000: 720 ÷ 10,000,000,000 = 7.2 × 10^-8.
How to convert square centimeters to square kilometers
km2 = cm2 × 1 × 10^-10
- 1 cm2 = 1 × 10^-10 km2 (and 1 km2 = 10,000,000,000 cm2).
- Multiply the amount by the factor: 720 × 1 × 10^-10 = 7.2 × 10^-8.
- Answer: 720 cm2 ≈ 7.2 × 10^-8 km2 (rounded to 6 significant figures).
Shortcut: dividing by 10,000,000,000 gives the same result as multiplying by 1 × 10^-10.
Square Centimeters to Square Kilometers table
| Square Centimeters (cm2) | Square Kilometers (km2) |
|---|---|
| 715 cm2 | 7.15 × 10^-8 km2 |
| 716 cm2 | 7.16 × 10^-8 km2 |
| 717 cm2 | 7.17 × 10^-8 km2 |
| 718 cm2 | 7.18 × 10^-8 km2 |
| 719 cm2 | 7.19 × 10^-8 km2 |
| 720 cm2 | 7.2 × 10^-8 km2 |
| 721 cm2 | 7.21 × 10^-8 km2 |
| 722 cm2 | 7.22 × 10^-8 km2 |
| 723 cm2 | 7.23 × 10^-8 km2 |
| 724 cm2 | 7.24 × 10^-8 km2 |
| 725 cm2 | 7.25 × 10^-8 km2 |
| cm2 | km2 |
|---|---|
| 1 cm2 | 1 × 10^-10 km2 |
| 5 cm2 | 5 × 10^-10 km2 |
| 10 cm2 | 1 × 10^-9 km2 |
| 50 cm2 | 5 × 10^-9 km2 |
| 100 cm2 | 1 × 10^-8 km2 |
| 1,000 cm2 | 1 × 10^-7 km2 |