Which expressions are equivalent to z to the 0.2 power

For re-expressing the number, we first convert the decimal number 0.2 to a fractional number:

Step-by-step explanation:

For re-expressing the number, we first convert the decimal number 0.2 to a fractional number:

n= 0.2  

10n=2

n=2/10=1/5

Therefore we have

Then as we know that the denominator of fractional exponents can be expressed as a root: