Question

if Z is equal to 0.064 find the value of 1 / Z whole bracket 1 / 3

Answer 1

$\frac{1}{z} = \frac{1}{0.064} = \frac{1000}{64}$
now 1/3 is in power
so we can write
$\sqrt[3 ]{ \frac{1000}{64} } = \frac{10}{4}$
hope it helps