Question

please answer this question

Answer 1

40*40=1600 are would be this. don't know the volume

Answer 2

$area = 5 \times {side}^{2} \\ = 5 \times 40 \times 40 = 8000 {cm}^{2} = 0.8 {m}^{2} \\ volume = 40 \times 40 \times 40 = 64000 {cm}^{3} = 0.064 {m}^{3}$