What is 57,910,000 in scientific notation

Need on this geometry question. explain how you did it.

Find all solutions for 2y - 4x =2 y = 2x + 1 site: socratic.org

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth