The negative means " 1 over it" so that's 1/4, and the 2 means "square it" so that's 1/16
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It can be a negative or a positive number depending on the absolute value of the power.e.g.(-4) to the power of -2 gives (1/16) and(-4) to the power of -1 gives (-1/4)
(4/5)-2 = (5/4)2 = 25/16
16/93/4 to the power 2 is 9/16. The negative sign makes it 16/9
No Actually... x^(-y) is equal to 1/x^y. 2^(-2) is equal to 1/2^2 which is equal to 1/4 or 0.25.