The ratio between the radii of two spheres is 1:3. Find the ratio between their volumes?	Select the correct option:
A) 1:27	B) 27:1	C) 3:1	D) 1:3	E) 1:9
r1 : r2 = 1:3   r13 : r23 = 1:27   1:27NSWER 1:27
<result>A</result>
The ratio between the radii of two spheres is 1:3. Find the ratio between their volumes?