Complete the following exercise:(−7)⋅(1)= (-7)\cdot(1)= (−7)⋅(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:
−7×+1=−7 -7\times+1=-7 −7×+1=−7
−7 -7 −7