The distances in space are measured in light-years. The distance from Earth to a star is 5.9 * 10^13 kilometers. What is the distance, in light-years, from Earth to the star (1 light-year = 9.46 * 10^12 kilometers) ?

a) 1.61 light-years

b) 3.56 light-years

c) 5.58 light-years

d) 6.23 light-years

Question

Simeon

Mathematics

18 March, 12:06

The distances in space are measured in light-years. The distance from Earth to a star is 5.9 * 10^13 kilometers. What is the distance, in light-years, from Earth to the star (1 light-year = 9.46 * 10^12 kilometers) ?

a) 1.61 light-years

b) 3.56 light-years

c) 5.58 light-years

d) 6.23 light-years

+4

Answers (1)

Know the Answer?

Frankfurter · Answer 1

1 light year = 9.46 x 10^12 km. Therefore how many light years = 5.9 x 10^13?. Do cross multiplication you'll get. 5.9x10^13 / 9.46x10^12 = 6.23 light years. So d is the correct answer.

The distances in space are measured in light-years. The distance from Earth to a star is 5.9 * 10^13 kilometers. What is the distance, in light-years, from Earth to the star (1 light-year = 9.46 * 10^12 kilometers) ?a) 1.61 light-yearsb) 3.56 light-yearsc) 5.58 light-yearsd) 6.23 light-years