Am I in the right path please let me know?

A bag contains 10 white, 12 blue, 13 red, 7 yellow, and 8 green wooded balls. A ball is selected from the bag, its color noted, then replaced. You then draw a second ball, note its color and then replace the ball. Round to the nearest ten-thousandth. a. What is the probability of selecting 2 red balls? 50 b. What is the probability of selecting a white ball first and then a blue ball