Homer Simson is going to order an ice cream. The following toppings are available (double toppings are not permitted): Marshmallows, caramel, cookies, sprinkles, pretzels, almonds, raisins, wafers He may choose any combination of those toppings (this includes the possibility that he may choose none of them). How many different topping combinations are possible? Enter numeric values without units and symbols. If the answer is 19 combinations, enter 19 as your