Answer:
(a) 87.5 g
(b) 0.7 g per cubic cm
Explanation:
side of each cube, s = 5 cm
total mass, M = 525 g
(a) mass of each cube, m = M/6 = 525/6 = 87.5 g
(b) Volume of each cube = s x s s = 5 x 5 x 5 = 125 cubic cm
mass per cubic cm = 87.5/125 =0.7 g per cubic cm