A number is at least three. Which of the following number lines represents this statement?

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?

The vertices of a triangle are a(7.5), b(4,2), and c19. 2). what is

Two friends are reading books. jimmy reads a book with 21,356 words. his friend bob reads a book with one-and-a-half times as many words. which expression represents the number of words bob reads?