Use the midpoint rule for the triple integral to estimate the value of the integral. divide b into eight sub-boxes of equal size. (round your answer to three decimal places.) 1 ln(1 + 2x + 2y + z) dv, where b b = (x, y, z) | 0 ≤ x ≤ 4, 0 ≤ y ≤ 8, 0 ≤ z ≤ 4