A state's total amount of cropland is the sum of the number of acres of land used for crops, land used for pasture, and idle cropland. Michigan has 7,192,000 acres of land used for crops, 9.1 x 10^4 acres of land used for pasture, and 4.83 x 10^5 acres of cropland that are idle. What is the total amount of cropland in Michigan, in acres? Record your answer using scientific notation.
(I swear if nobody helps I’m going to cry but please help)