Complete the following exercise:30⋅(−2)= 30\cdot(-2)= 30⋅(−2)=
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:
+30×−2=−60 +30\times-2=-60 +30×−2=−60
−60 -60 −60