The ratio between the radii of two spheres is 1:3. Find the ratio between their volumes?
A. 27:1
B. 1:27
C. 1:9
D. 9:1
r1 : r2 = 1:3
r13 : r23 = 1:27
The ratio between the radii of two spheres is 1:3. Find the ratio between their volumes?