In the formula V = 1/(3r)^4, if r is halved, then V is multiplied by Choose the correct choice from the following answers.
A) 64 B) 8 C) 16 D) 1/8 E) 1/64
Say r=2 =&gt; V1 = 1/1296   when r=1; V2 = 1/81   V2 = 16*V1.   Answer=1616* 1.= 
<gadget id="calculator">16* 1.</gadget>
<output>16</output>
16=16
<result>C</result>
In the formula V = 1/(3r)^4, if r is halved, then V is multiplied by