Can someone ? i need to boost my geometry grade up its very low and i am having trouble with this paper

Complete the steps to find 4.830 ÷ 5

The volume of the sun is approximately 1 × 10^18 cu km, while the volume of jupiter is approximately 1 × 10^15 cu km. which of the following is true? a. the volume of jupiter is approximately one thousand times the volume of the sun. b. the volume of jupiter is approximately one hundred times the volume of the sun. c. the volume of the sun is approximately one thousand times the volume of jupiter. d. the volume of the sun is approximately one hundred times the volume of jupiter.

The graph represents f(x)=[x]+3. what is f(-2.2)?