How do I do long division

Arandom number generator is used to model the patterns of animals in the wild this type of study is called

Pls if a cow has a mass of 9×10^2 kilograms, and a blue whale has a mass of 1.8×10^5 kilograms, which of these statements is true?

The difference between two numbers is one. three times the larger number minus two times the smaller number is 9. what are the two numbers