Answer:
6810
Explanation:
round to nearest ten 6811.09
First we write the place value of given number
6811.09
9 is in hundredths place
1 is in once place
1 is in tens place
8 is in hundreds place
6 is in thousands place
we have 1 in once place that is less than 5 so we keep the numbers as it in tens place
6811.09 rounded to 6810