Answer
-13
Work Step by Step
To multiply two numbers with different signs, multiply the absolute values. Place a negative sign before the product.
$(1)(-13)=-(|1|)(|-13|)=-(1)(13)=-13$
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.