3. if earth was 10 times farther away from the sun than it is now, which planet would it be closest to? (assume all the planets are aligned with the sun and are on the same side of the sun.) compare earth's new distance to that planet. how far apart would they be in standard notation? how far apart in scientific notation? show your work? earth 149,600,000

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