<span>In this case, the value of the first 3 (the ten-thousands) has a value of 30,000. The 3 next to it, in the hundred-thousands place, has a value of 300,000. To compare the two, the 3 on the right has a value one-tenth as much as that on the left.</span>
All of those numbers are rational, except the square root of 12.
Answer is B (hope this helps!)
770 because the 1 is higher than 5 so you round up
