Question

what does the negative power indicate

Answer 1

Power is the rate of change in the energy of a system, so if energy leaving the system is positive, then energy entering would mean that thepower is negative. Looking at circuits, we actually deal with negative power a lot. Generally, if something absorbspower, the power is positive



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Answer 2

negative exponent just means that the base is on the wrong side of the fraction line, so you need to flip the base to the other side. For instance, "x–2" (pronounced as "ecks to the minus two") just means "x2, but underneath, as in 1 x 2 \frac{1}{x^2} x21 ".
Hope its help u