Negative 9 to the negative 2nd power (-9-2) = 0.012345679 (repeating).
1
Whenever you see a negative exponent (the negative 2nd power), take the reciprocal of the answer (put one over it):x-y = 1/xySo:9-2 = 1/92 = 1/81 = 0.01234567901
9 to the negative 9th power is 2.58117479e-9
5.3965953e-16
Negative 9 to the negative 2nd power (-9-2) = 0.012345679 (repeating).
-9
9 to negative 2 = 1/9 to plus 2 = 1/81
1
1 over 3 to the negative 2nd power is 9
1 everything to the power of 0 = 1
1/9
It is: 2^-9 = 1/512
1/9
1/59049
10-9 = 1/109 = 0.000000001
Whenever you see a negative exponent (the negative 2nd power), take the reciprocal of the answer (put one over it):x-y = 1/xySo:9-2 = 1/92 = 1/81 = 0.01234567901