Answer:
In case you get a problem that involves addition, best to knwo where the values go because the decimal is important, lets say you have 1.25+1.11
1.25
+
1.11
__________
2.36
you need to make sure youn know where to put the decimal because if u put it in the wrong place its wrong, and u need to know where the values go.If u pretended the decimal was invisable you would need to find the ones value and put the decimal before the ones value
Step-by-step explanation:
