Question

you are building your course schedule for the spring. you are going to enroll in 4 courses, math, science, history and pe. if there 4 math classes, 3 science classes, 5 history classes, and 8 pe classes that will fit your schedule, in how many ways can you select your classes?

Answer 1

there are 4 ways you can select your math class.
there are 3 ways you can select your science class.
there are 5 ways you can select your history class.
there are 8 ways you can select your PE class.
so totally there are 4x3x5x8 ways you can select a combination of these classes.

Answer 2

so 480?

Answer 3

dunno, maybe. I didnt calculate the product

Answer 4

ya 480.