In 2010, the population of Austria was about 8.397x10^6. The population of Switzerland was about 7.783X10^6. What is the difference between these populations, expressed in standard notation?

F 0.614x10^5

G 614,000

H 0.000000614

J 614
I need this ASAP plz

What is the solution to the system of equations? (–2, –8) (–1, –5) (0, –2) (2, 4)

Suppose you are an avid reader and are looking to save money on the cost of books instead of paying about $20 for each book, you decide to look into purchasing a kindle for $120 you can purchase e-books for about $5 each 1. find the slope-intercept equation for the cost of the hard copy of books using x to represent the number of books 2. find the slope-intercept equation for the cost of the kindle with cost of e-books using x to represent the number of books

If 30 lb of rice and 30 lb of potatoes cost ? $27.60? , and 20 lb of rice and 12 lb of potatoes cost ? $15.04? , how much will 10 lb of rice and 50 lb of potatoes? cost?