The question is there are 11 circles the first one and 11 means one group of 10 the second one and 11 means one right the number of tens and ones and 11 I don’t understand

There are 11 circles
The first one on 11 means one unit on the group of tens.
the second one on 11 means one unit on the group of ones
Therefore 11 is 1 on tens and 1 on ones