An elephant weighs about 5.9 × 106 grams. an ant weighs about 3 × 10-4 grams. an elephant weighs how many times more than an ant weighs? write your answer in scientific notation, and round the coefficient to the nearest whole number.

Three students, javier, sam, and corrine, participated in a fundraiser where people donated a certain amount of money per lap that the student ran. each student also had some initial donations that were collected before the run. the equations that represent each student's total donation, y, based on the number of laps ran, x, is shown below. match each equation with the correct rate of change for that student.

Apply the distributive property to simplify the expression. −4(5x + 2)

Hilary decided to purchase 3 points in order to lower her interest rate on her $140,000 mortgage. how much additional money does she need to bring to closing? a. $4200 b. $4000 c. $6 d. $400