Answer:

4,879.4

Step-by-step explanation:

just subtract it, if you can't then use calculator:>

Answer:

The diameter of Mercury is 4,879.4 kilometers

Step-by-step explanation:

1. The diameter of the Earth is 12,756 kilometers. If Mercury's diameter is about 7,876.6 kilometers shorter

than that of the Earth, what is the diameter of Mercury

Solution:​

Step-by-step explanation:

Given:

Earth's diameter: 12,756 km

Mercury's diameter: x

Required:

x = ?

Solution:

x = 12,756 km - 7,876.6 km

x = 4,879.4 km