NO!!!....a negative exponent just indicates a reciprocal....for instance......
32 = 9 but..... 3-2 = 1 / 32 = 1 / 9
Note that an answer could be negative but not because of the negative exponent itself...for instance
(-3)3 = -27 and...... (-3)-3 = 1 / (-3)3 = 1 / -27 = -1 / 27