What is 0.0027 in scientific notation?

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

Which of the following graphs could represent a quartic function?