Find the cube of the rational number.

$-\frac{6}{7}$

Find the cube of the number.

$3\frac{4}{7}$

Express your answer in mixed fraction.

Find the cube of the number.

$1\frac{6}{11}$

Find the cube of the number.

$0.3$

Find the cube of the number.

$0.08$

Find the cube of the number.

$2.5$

Find the cube of the number.

$-3.7$

Is $216$ a perfect cube?

[Hint. Resolve into prime factors and see if you can make triplets of like factors.]