What is an expression so that the product of a whole number and a decimal is 0.28

You may go the super easy way and choose 1 as the whole number and 0.28 as the decimal number. Then you'd obviously have

Otherwise, to be a bit more creative, you can observe that

And since 1/25=0.04, you can also choose 7 as the integer, and 0.04 as the decimal to get

typically if you want , you would actually put questions here for us to you. but hey, that's just me. maybe someone will magically answer the questions for you without knowing what they are.