Question

he weight of an African elephant is 6 × 10^6 grams; the weight of a tiger is 3 × 10^5 grams. How many times heavier is the elephant than the tiger?

2 grams
20 grams
200 grams
2,000 grams
Distances in space are measured in light-years. The distance from Earth to a star is 4.1 × 10^13 kilometers. What is the distance, in light-years, from Earth to the star (1 light-year = 9.46 × 10^12 kilometers)?

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