A small ice cream shop as 10 flavors of ice cream and 5 kinds of toppings for its sundaes. How many different selections of one flavor of ice cream and one kind of toppings are possible?

A small ice cream shop as 10 flavors of ice cream and 5 kinds of toppings for its sundaes. How many different selections of one flavor of ice cream and one kind of toppings are possible?

first select a flavor, there are 510 ways, then select a toping, there are 5 ways, so the combination has total of 10*5 = 50 ways.