5. [-/2 Points] DETAILS AUFQR1 7.2.P.005. 0/3 Submissions Used MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Eight coins-two pennies, three nickels, and three dimes-are placed in a single stack. How many different stacks are possible under the following conditions? (Assume the same type of coins are interchangeable. See Example 5 in this section.) (a) if there are no restrictions on the placement of the coins stacks (b) if the dimes must stay together stacks