Complete the following exercise:2⋅(−7)= 2\cdot(-7)= 2⋅(−7)=
Let's recall the rule:
(+x)×(−x)=−x (+x)\times(-x)=-x (+x)×(−x)=−x
Therefore, the sign of the exercise result will be negative:
+2×−7=−14 +2\times-7=-14 +2×−7=−14
−14 -14 −14