)A doghouse is to be built in the shape of a right trapezoid, as shown below. What is the area of the doghouse? the top is 7 the
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Negative exponents work like this:
So, in order to evaluate a negative exponent, you simply have to invert the base, and then raise to the positive equivalent of the exponent.
As an example, here are the first three exercises:
You can work out the rest applying this logic.