5.88 times 10 to the 12th 4.35

Question

The distance light travels 1 year is about 5.88 x10 to the 12th miles. this distance is a light year. The closest star to the earth is Alpha Centauri which is 4.35 light years from the earth. about how many miles from the earth is Alpha Centauri?

Answer 1

4.35 light years = 4.35 · 5.88 · 10¹² miles

4.35 light years = 25.578 · 10¹²

4.35 light years = 2.5578 · 10 · 10¹²

4.35 light years = 2.5578 · 10¹³

 

The earth is about 2.5578 · 10¹³ miles from Alpha Centauri.