Answer:
Try the 2nd one
Step-by-step explanation:
Answer:
1) is equivalent multiply by 6
2) is equivalent multiply by 2 to 5/2
Since V = (4/3) * pi * R^3
If R is halved, V' will reduce by a ratio of (1/2)^3 = 1/8
So V' = (1/8)V
You use lots and lots of math.