The table shows the square roots, given correct to 4 significant figures, of some numbers from 31.0 to 32.9. 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 31 5.568 5.577 5.586 5.595 5.604 5.612 5.621 5.630 5.639 5.648 32 5.657 5.666 5.675 5.683 5.692 5.701 5.710 5.718 5.727 5.736 For example, the square root of 32.5 is 5.701. Use the table to find

1. (a)the difference between the square root of 32.5 and the square root of 31.3,[1]
2. (b)an estimate of the square root of 32.25,[1]
3. (c)the number which has a square root of 56.39.[1]