Question

if z=0.064,then the value of (1/z)^1/3

Answer 1

(1/z)^1/3=cube root of (1/z)
=1/cube root of z
=1/cube root of 0.064
=1/0.4

Answer 2

If z = 0.064 then,

(1/z)^1/3 = (1/0.064)^1/3
             
0.064^1/3 = 0.4

Therefore, (1/0.064)^1/3 = 1/0.4 = 2.5