How do you compute 5(18)? Prealgebra Negative Numbers and Absolute Value Negative Numbers 1 Answer Riley G. · EZ as pi Oct 23, 2016 5×18=90 Explanation: You just multiply 5 by 18 or 5×18. 5×18=90 Answer link Related questions How do you compute −8+13? How do you compute 11+(−19)? How do you compute −19−8? How do you compute −77+(−46)? How do you compute 41+(−56)? How do you compute 50−82? How do you compute −47−13? How do you compute −80+102? How do you compute −64÷(−8)? How do write in simplest form given −1.6+(−3.8)? See all questions in Negative Numbers Impact of this question 3658 views around the world You can reuse this answer Creative Commons License