Note: Give exact answers where possible (for example, 7 is exact but 3.142 is approximate). 8. [8 marks] A log 10 m long is cut at 1-metre intervals and its cross-sectional areas (at a distance x from the end of the log) are given in the table. Use the Midpoint Rule with n = 5 to estimate the volume of the log. x (m) 0 2 3 4 5 6 7 8 9 10 A (m2 ) 0.68 0.65 0.64 0.61 0.58 0.59 0.53 0.55 0.52 0.5 0.48