Question

Part A: Distance conversions

1. Earth's diameter is 12.756 kilometers. How many meters is this?

Answer 1

Answer: 12756000 m

Explanation:

In fact the actual diameter of the Earth is approximately
`12756 km` not
`12.756 km`. So, let’s work with the first one.

A kilometer is equivalent to 1000 meters:

`1 km=1000m`

Knowing this, we can make the conversion:

`12756 km (1000 m)/(1 km)=12756000 m` This is Earth's diameter in meters