8E^-3
Five to the negative third power = 0.008
Two and five tenths to the negative third power equals 0.064
-19/12
Negative one half
cnvert to decimal
15 x -7 =-105
Negative one third.
-3 1/3 minus -5 2/3 = 2 1/3
-5/3 + 2 1/3 = 2/3
Negative five.
It's 0.0028 or 2.8 x 10 -3
0.75 to the negative third power is -0.421875