Complete the following exercise:2⋅10= 2\cdot10= 2⋅10=
Let's remember the rule:
(+x)×(+x)=+x (+x)\times(+x)=+x (+x)×(+x)=+x
Therefore, the sign of the exercise result will be positive:
+2×+10=+20 +2\times+10=+20 +2×+10=+20
20