How do you get the answer to this question? A yogurt shop offers 6 different flavors of frozen yogurt and 123 different toppings. How mnay choices are possible for a single serving of frozen yogurt with one topping?

To find the total number of choices for a single serving of frozen yogurt with one topping, you simply multiply the number of frozen yogurt flavors by the number of toppings available.

6 flavors x 123 toppings = 738 possible choices.

Therefore, there are 738 possible choices for a single serving of frozen yogurt with one topping at this yogurt shop.