92=9x9=81
9 to the second power or 9 squared (92) equals 81.
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1 over 3 to the negative 2nd power is 9
The highest power of the variable is 2, so it is a second degree polynomial.
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10
A number raised "to the power of" another number means that the first number is multiplied by itself repeatedly - to one-less-than the power, so that 9 to the power of 1 = 9 9 to the power of 2 = 9 x 9 = 81 9 to the power of 3 = 9 x 9 x 9 = 729 9 to the power of 4 = 9 x 9 x 9 x 9 = 6,561 9 to the power of 5 = 9 x 9 x 9 x 9 x 9 = 59,049 9 to the power of 6 = 9 x 9 x 9 x 9 x 9 x 9 = 531,441 9 to the power of 7 = 9 x 9 x 9 x 9 x 9 x 9 x 9 = 4,782,969 9 to the power of 8 = 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 = 43,046,721 9 to the power of 9 = 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 x 9 = 387,420,489