PLS HELP ME OUT FOR BOTH ASP !NOW PLS !

The size of a certain cell is 2.5*10^-9m. another cell is 1.5*10^3 times larger. how large is the larger cell in scientific notation?

John read the first 114 pages of a novel, which was 3 pages less than 1/3 of the novel. write an equation to determine the total number of pages (p)(p) in the novel.

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9