Haha funny question but if im answering correctly it is because its not proper grammar in the english language. Who knows? Haha, have a good one :)
The answer is B. Therefore
<h2>for instance:

the base is 3 and the exponent is 2.</h2>
if the exponent is a negative number
then the answer would be positive 9. if the number is even but with a negative number your answer with turn out possitive.
or your exponent is a negative odd number like
the the answer would turn out negative : -27
you could see it for yourself by doing : -3 x -3 x -3 = -27