Complete the following exercise:5⋅4= 5\cdot4= 5⋅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 positive:
+5×+4=+20 +5\times+4=+20 +5×+4=+20
20