What is the answer to this?

Afarm that has 4 x 10^2 acres has 1.2 x 10^5 cattle. what is the average number of cattle per acre? write the answer in scientific notation. answere asap

In the next 10 years, how do you think hipaa guidelines will affect the roles, responsibilities and tools of a medical transcriptionist

Arecipe calls for 1/2 cup of sugar and 3/4 cup of flour. if you have 3 cups of flour and you want to adjust the recipe so you use it all how much sugar do you need?