A thin layer of paint is 9x10^-7 m thick. In contrast, a coin is 3.51 x 10^-3 m thick. How many layers of paint are in a stack that is the height of the coin?

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.