What is 6789 rounded to the nearest ten

6,789 rounded to the nearest ten is 6,790~

The answer is 6790 because the 9 makes it go up to 90

Thats where they was ported and the fields that noone really knew much about needed tended, so they put slaves out there do free work and huge profits and so on the north decided to hold its own and was more different way of survival did not have same climate conditions to afford protecting slaves from winter so expenses be diff from south

Multiple choice or not?