Negative+and+rational+exponents++Set+3

What is the meaning of a negative exponent?

What happens if you have a negative exponent in the denominator?

What happens if you have a negative exponent in the numerator?

What is the meaning of a fractional exponent?

How do you handle a fractional exponent when the numerator is not equal to 1?

Suppose you have a binomial involving one or two negative exponents, itself raised to a negative exponent? Does this just mean that the negative exponents go away?