Answer:
0.9
Step-by-step explanation:
44
k=1: 2*1-4 = -2
k=2: 2*2²-4 = 4
k=3: 2*3²-4 = 14
k=4: 2*4²-4 = 28
-2 + 4 + 14 + 28 = 44
68.68
for an approximate result, multiply the volume value by 1.057
