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81. (9 to the power of 2 = 9 x 9).
It is 9 x 9 x 9 x 9 x 9 = 81 x 81 x 9 = 6561 x 9 = 59049
9^3 = 9 x 9 x 9 = 81
-3 to the 2nd power is -3 x -3 = +9 ( negative x negative = positive)
The answer is 1. X=(3)^2 * (3)^-2 X=(3)^2 * 1/(3)^2 X=9 * 1/9 X=9/9 X=1