40 is what percent of 50? 8% 12.5% 80% 125%

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.

Can someone me with my math problems i have a bunch. i will give brainliest and lots of pleeeaaasssee

Multiplying fractions by whole number 5 x 1/3=?