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Don't know how you find it but I guess the answer is -2. -2 x -2 =4 4 X -2 = -8
They are equal 2^4 and 4^2 both equal 16.
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.
2 times 3 to the power of 2 is equal to 18.
4^.5= 2