The volume of a cylinder is given by

Let
and 
The new volume becomes

So, the new volume is 8 times the original volume. In fact, volume scales linearly with the height and quadratically with the radius.
Answer:
V≈268.08cm³
Step-by-step explanation:
The digit 6 is in the Hundred Thousand Place.
???444489485857586868........................
D. All real numbers between 111 and 166.5 inclusive.