Question

Distances in space are measured in light-years. The distance from Earth to a star is 4.1 × 1013 kilometers. What is the distance, in light-years, from Earth to the star (1 light-year = 9.46 × 1012 kilometers)?

0.23 light-year
2.36 light-years
4.33 light-years
5.36 light-years

Answer 1

@uri

Answer 2

4.33 LY.

Answer 3

@DogzCatz

Answer 4

Which table best classifies the following numbers as rational and irrational?

negative 4 over 5., square root of 2., 2.5, 0 point 4 bar., square root of 16.


Rational square root of 2.
Irrational negative 4 over 5., 2.5, 0 point 4 bar., square root of 16.

Rational negative 4 over 5., 2.5, 0 point 4 bar., square root of 16.
Irrational square root of 2.

Rational negative 4 over 5., 2.5, 0 point 4 bar.
Irrational square root of 2., square root of 16.

Rational square root of 2., square root of 16.
Irrational negative 4 over 5., 2.5, 0 point 4 bar.

Answer 5

@AlexandervonHumboldt2