Question

The diameter of Mars is about 6.8 x 10^3 km. The diameter of Earth is about 1.2763 x 10^4 km. About how much greater is Earth's diameter than Mars?

Answer 1

To find out how much larger Earth's diameter is compared to Mars, subtract the diameter of Mars from Earth's, resulting in Earth being approximately 5,963 km greater in diameter than Mars.

Step-by-step explanation:

To find out how much greater Earth's diameter is than Mars, we need to subtract the diameter of Mars from the diameter of Earth. Given that Mars has a diameter of approximately 6.8 x 10^3 km and Earth has a diameter of about 1.2763 x 10^4 km, we can calculate the difference as follows:

1. First, write down the diameters in the same format: Mars (6.8 x 10^3 km), and Earth (1.2763 x 10^4 km).
2. Next, subtract the diameter of Mars from that of Earth: 1.2763 x 10^4 km - 6.8 x 10^3 km.
3. Since the powers of 10 are the same, you can directly subtract the coefficients: 1.2763 - 0.680 = 0.5963.
4. Finally, combine the result with the power of 10: 0.5963 x 10^4 km.

So, Earth's diameter is 0.5963 x 10^4 km (or approximately 5,963 km) greater than Mars' diameter.

Answer 2

To find how much diameter of Earth is greater than diameter of Mars .

we need D(Earth) / D(Mars).

D(Earth) / D(Mars) = 1.2763 x 10⁴km/6.8 x 10³ km ≈ 1.9

D(Earth) / D(Mars) ≈ 1.9