Help me plzz and It's continue of math Homework: Compound Probability (Without Replacement)

3.) A box of chocolates contains four milk chocolates and six dark chocolates. You randomly pick a chocolate and eat it. Then you randomly pick another piece. The first piece is milk chocolate and the second piece is dark chocolate.
4/15, 5/18, 5/22, 3/110

4.) There are four nickels, five dimes, and five quarters in your pocket. You randomly pick three coins and place them on a counter. The first two coins are dimes, and the third is a quarter.
1/4, 10/39, 25/546, 25/572