-3 - -1 = -2
-3 + -1 = -2
When you are subtracting a negative from a negative it becomes a positive. For example 6 - -2 = 8 but 6 + -2 = 4. The two negatives cancel each other out and become a positive.
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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.
x-1 = 1/x
1/216
The verb form of 'equality' is 'equal', as in, "Four take away three equals 1", or, "Bob equaled Fred's top bowling score".
Negative 8 to the negative 2 power is equal to 1/(-8)^2, which simplifies to 1/64. So, the answer is 1/64. Hope that helps, sweetie!