6m long due to it being the largest fraction of the 4 given choices
7 over 32 you cant simplify it
No because although 8 is a greater number than 3 it could be 300 and 80, therefore the 3 number would be greater. But it could just as easily be 30 and 800. You cannot tell by a single digit.
on a horizontal number line . numbers to the left are less than numbers to the right .. numbers to the right are less than numbers to the left