Task #8: Compute the following combinations. "C2", "ZC3", "IC10", "3C5", "5", "25C0"
Task #9: Find the number of combinations of the letters of the word CAREFUL taken 2 letters at a time, taken 3 letters at a time, taken 4 letters at a time, taken 5 letters at a time, taken 6 letters at a time.
Task #10: Level Up Solve the following problems:
1. In a 10-item Mathematics problem-solving test, how many ways can you select 5 problems to solve?
2. How many different sets of 10 cards each can be formed from a deck of 15 cards?
3. In how many ways may Mrs. Cruz invite out of her 8 friends?