Answer:
-840
Step-by-step explanation:
Hey their so were trying to multiply so what I would multiplayer first is 3 and 8 which gives you 24 then you would multiply 5 and 3 which is 15 then multiply 24 and 7 which is 32 then multiply 32 and 15 which gives you -840 you must have 3 negatives and 1 positive to make a answer negative hope this helps
