Complete the following exercise:(−1)⋅4= (-1)\cdot4= (−1)⋅4=
Let's remember the rule:
(+x)×(−x)=−x (+x)\times(-x)=-x (+x)×(−x)=−x
Therefore, the sign of the exercise result will be negative:
−1×+4=−4 -1\times+4=-4 −1×+4=−4
−4 -4 −4