The earth is about 4,540,000 years old. what is that number in scientific notation?

The graph of y = ax^2 + bx + c is a parabola that opens up and has a vertex at (0, 5). what is the solution set of the related equation 0 = ax%2 + bx + c?

Will give brainliest immeadeately true or false: the origin woud be included in the solution set for the inequality: y< 2x-5

At oaknoll school, 90 out of 270 students on computers. what percent of students at oak knoll school do not own computers? round the nearest tenth of a percent.