ANSWER
B,C,E
EXPLANATION
The given exponentiial expression is
The expression that simplify to
are all equivalent to the above expression.
A
B
C
D
E.
Therefore options B, C and E are all equivalent to the given expression.
n is less than or equal to 5. This is because you must isolate the variable (n) by adding 7 to cancel/move it to the right side.
The question is not clearly
So what is the question?