Complete the following exercise:3⋅(−4)= 3\cdot(-4)= 3⋅(−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:
+3×−4=−12 +3\times-4=-12 +3×−4=−12
−12 -12 −12