Complete the following exercise:
(−2)⋅1= (-2)\cdot1= (−2)⋅1=
Let's recall the law:
(+x)×(−x)=−x (+x)\times(-x)=-x (+x)×(−x)=−x
Therefore, the sign of the exercise result will be negative:
−2×+1=−2 -2\times+1=-2 −2×+1=−2
−2 -2 −2