The answer is 1, whatever the value of a.
36
Negative 5 to the second power would be -5 times -5 which would be 25.
It equals 0. * * * * * Unless the question is (-x)2 + (+x)2. In that case, the answer is 2x2
8.04*10^-2 = 0.0804
Five to the negative 7th power equals 0.0000128
It doesn't. Negative one to an even power equals positive one. Negative one to an odd power equals negative one.
Seven to the negative four power equals 0.00041649312
Negative 4 to the third power equals -64
6 to the -2nd power = 1/366-2 = 1/62 = 1/36
(2)2
6 to the negative 8th power equals 5.9537418076512726718488035360463e-7
4²+(-3-(-5))x2 = 16+ (-3+5)x2 = 20