Need a little help finding the answer to 22

Answer:
e = 7.906cm
Step-by-step explanation:
V= e^2h
Where V = 1000cm^3 and h = 16cm. So,
1000cm^3 = e^2(16cm)
e^2 = 1000cm^3 /16cm
e^2 = 62.5cm^2
[tex]\sqrt{(e^2)}[/tex]= [tex]\sqrt{62.5}[/tex]cm^2
e = 7.906cm send love<333