1.64 divide by 22 i don’t even know this me?

1, (-5)(8)=-40 2, (4)(-4)=-16. 3, (-1)(-9)=9. 4 , (5)(6)=30. 5, (12)(-2)=-24. 6, (‐15)(9) =-135. 7. (5)(‐6)= -30. 8. 6(‐6) = -36. 9. (‐27)(14) = - 378. 10.(‐32)(0) = 0. 11.(128)(‐3)= -384. 12.(‐54)(‐4) = 216. 13.(+21) ÷ (+7)= +3

Step-by-step explanation:

positive number multiplied by positive number gives positive number

negative number (-ve) times positive number (+ve) gives -ve

-ve times -ve gives +ve

+ve times -ve gives -ve

hope it helps