Question 819907
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Hi,
The diameter of a sphere is 9mm. (r = 4.5mm )  Calculate the sphere's volume
<img src='http://img69.imageshack.us/img69/7421/spherem.png' border='0'/></a>
 V = {{{( 4/3) pi*r^3 = ( 4/3) 3.14(4.5mm)^3 }}}