SOLUTION
We want to chose the expression that is equivalent to
[tex]2^3[/tex]
Now
[tex]\begin{gathered} 2^{3\text{ }}\text{ means 2 multiplied by it self in thr}ee\text{ places, that is } \\ 2^3=2\times2\times2 \end{gathered}[/tex]
Hence the answer is option A
