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Does $B$ vary directly with the cube of $r\text{?}$ Explain your decision.

$r$	$0.1$	$0.3$	$0.5$	$0.8$	$1.2$
$B$	$0.072$	$1.944$	$9.0$	$16.864$	$124.416$

Yes, $\dfrac{B}{r^3}$ is constant.
No, $B$ is not $r^3$ .

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