Answer:
21 would be your a answer.. unless its 5 to the square root of 4 and thats 625+1=626
If the denominator does not equal 0, the equivalent expression of
is 

<h3>How to determine the equivalent expression?</h3>
The expression is given as:

Divide 14 by 7

Apply the law of indices

Evaluate the differences in the exponents

Hence, the equivalent expression of
is 
Read more about equivalent expressions at:
brainly.com/question/2972832
#SPJ4