The diameter of the planet Mercury is 4.87 x 10^3 kilometers

The diameter of the planet Venus is 1.21 x 10^4 kilometers.
The diameter of Earth is 1.28 x 10^4 kilometers.
The diameter of Mars is 6.79 x 10^3 kilometers.
Order the planets from smallest to largest diameter.

Word Bank:
Earth
Venus
Mars
Mercury

- Mercury (4.87 x 10^3 km)

- Mars (6.79 x 10^3 km)
- Earth (1.28 x 10^4 km)
- Venus (1.21 x 10^4 km)