Answer:
2.4
Step-by-step explanation:
-3.6+2=-1.6, -1.6*-1.5=2.4
$6.23
5.56*1.12=6.2272
20 times
Here is a chart:
3,13,23,30,31,32,33,34,35,36,37,38,39,43,53,63,73,83,93.
It appears 20 times. Hope this helps!