Question 1204224

Our galaxy is estimated to be 5.6 × 10^19 miles across. How many years would it take a spaceship traveling at 53,000 miles per hour to cross the galaxy? (Round the decimal value to one decimal place.)

5.6 × 10^19/ 5.3*10^4

= 5.6*10^15/5.3

=1.056*10^15

=1.1*10^15