Find the Constant of Variation for the Stated Condition: R $r = \frac { 1 } { 100 }$

Multiple Choice

Find the constant of variation for the stated condition: r varies inversely as the cube of t , and $r = \frac { 1 } { 100 }$ when t = 10.

A) $k = - \frac { 1 } { 1,000 }$
B) $k = \frac { 1 } { 10 }$
C) k = 10
D) $k = \frac { 1 } { 100 }$
E) $k = \frac { 1 } { 1,000 }$