Answer:
The answers are A , C , D
Step-by-step explanation:
Lets revise the rule of exponent
* 
* 
* 
* 
Now lets solve the problem
We need all the expressions equivalent to 
A.
∵ 
∵ 2³ = 8
∴ 
Answer A is equivalent to 
B.
∵ 2³ = 8
Answer B is not equivalent to 
C.
∵ 2³ = 8
∴ 
Answer C is equivalent to 
D.
∵ 
∵ 
Answer D is equivalent to 
E.
∵ 
∵ 2³ = 8
Answer E is not equivalent to 
<em>The answers are A , C , D</em>