Question

Proxima Centauri is 4.3 light-years away from the Sun. How many miles away is it from the Sun?

Answer 1

`~2.5278*10^13mi`

Explanation:

`1ly~~5.8786*10^12mi`

Therefore, `4.3ly~~4.3(5.8786*10^12)=2.5278*10^13mi`