Suggestion: Please show the problem for the questions, or I'm afraid I can't help!
Answer:
401.92
Step-by-step explanation:

3.14 x (4x4) x 8 = 401.92
±1,±2,±3,±4,±6,±8,±12,±24
...........................
Answer:
34.33 (rounded to 2 decimal points)
Step-by-step explanation:
all sides are equal to 3.25 so do
3.25 x 3.25 x 3.25 = 34.328