There are 20 marbles in a bag; 14 blue and 6 red. Answer the questions below, be sure to show all work and round answers to the nearest hundredth.

What is the probability of drawing 5 red marbles in a row if they are put back each time?
What is the probability of drawing 2 red marbles and 3 blue marbles if they are put back each time? (Hint: there is a combination in the problem.)
What is the probability of drawing 5 red marbles in a row if they are NOT put back each time?