A pizza place offers 4 different cheeses and 10 different toppings. In how many ways can a pizza be made with 2 cheese and 3 toppings?|||cheese combonations= (# of cheeses to choose from for first type * # to choose from for 2nd type) = 4*3 = 12 topping combos = 10*9*8=720 so 12 * 720 = 8640 total pizza combonations|||ive been waiting for someone to answer to see how they did it, but obviously no one has answered so far. i found this site for you. it gives several examples of how to solve these types of problems. Number of Combinations The number of ways (or combinations) in which r objects can be selected from a set of n objects, where repetition is not allowed, is denoted by:

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