- #1
sk381
- 19
- 0
My friend says that : If there are 9 different toppings then the number of ways to choose toppings for one pizza is 2^9, the number of the possible subsets of the set of 9 toppings.
How can this be? Could someone explain with an example?
Sorry if this seems very trivial...
How can this be? Could someone explain with an example?
Sorry if this seems very trivial...