Answer:
When choosing "r" things from a larger set of "n" things, the formula is:
combinations = n ! / (r! * (n-r)!)
combinations = 5 * 4 * 3 * 2 * 1 = (2!) * (3!)
combinations = 5 * 4 * 3 * 2 * 1 = (2 * 6)
combinations = 5 * 2
combinations = 10
Step-by-step explanation:
