3.
a3*a-2 = a(3-2) = a
0.75 to the negative third power is -0.421875
-9 to the third power = -729(-9)^3 = (-9) * (-9)* (-9)= -729
7.5^-3 = 0.00237037037
3.
-17-3 equates to -2.0354162426216161204966415631997e-4
-3-3 = -1/27, or minus one twenty-seventh.
a3*a-2 = a(3-2) = a
Five to the negative third power = 0.008
0.75 to the negative third power is -0.421875
-9 to the third power = -729(-9)^3 = (-9) * (-9)* (-9)= -729
-3000
7.5^-3 = 0.00237037037
Negative 4 to the third power equals -64
'''(one third) to the power (negative one) = three'''
-1 negative (1/3) to the power of 4 is positive 1/81 = 0.0123