Question

The Great Galaxy in Andromeda is about 2200000 light years from Earth. Light travels 5900000000000 miles in a year. How many miles is the Great Galaxy in Andromeda from Earth?

I got 1.298* 10^20 miles.

(This is the exponents unit)

Answer 1

5.9 * 10^12 miles/year
*2.2 * 10^6 years = 12.98 * 10^18
= 1.298 * 10^19 I get

Answer 2

Thanks! Calculation error on my part.