pls help ASAP
find the value of z when x = 216

Answer:
z = 3 [tex]\frac{1}{3}[/tex]
Step-by-step explanation:
z = [tex]\frac{k}{x^{1/3} }[/tex]
5 = [tex]\frac{k}{4}[/tex]
k= 20
~~~~~~~~~~~~~~~
z = [tex]\frac{20}{6}[/tex]
z = [tex]\frac{10}{3}[/tex] = 3 [tex]\frac{1}{3}[/tex]