Answer:
the third option is the answer
Step-by-step explanation:
[tex]( {7}^{ \frac{1}{3} } ) {}^{3} [/tex]
i) to raise a power to another power, multiply the exponents
[tex] {7}^{ \frac{1}{3} \times 3} [/tex]
[tex] {7}^{1} [/tex]
ii) any power raised to the power of 1 equals itself
[tex]7 {}^{1} = 7[/tex]
