Complete the following exercise?3⋅3= 3\cdot3= 3⋅3=
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:
+3×+3=+9 +3\times+3=+9 +3×+3=+9
9