Answer
$8\times x$, or $8x$
Work Step by Step
"The product of" means that the following terms will be multiplied. Since the instructions say to use $x$ to represent an unknown number, the product of 8 and a number would be $8\times x$, or $8x$.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.