Question

Give an example of a situation where finding the cross product of two sets is useful and explain why it is useful. Your example should include two sets and their cross product.

Answer 1

you have two sets, one of snack and other drink, {snack 1, snack 2}, {drink 1, drink 2}

now if you can take one drink and one snack, in how different ways can you pick your snack and drink??