Select the three equations that are simplified correctly.

a. -3^0 = 1
b. (8^-4)^0 = 1
c. (4^3)^-4 = 1/4^12
d. (6^2)^3 = 6^5
e. (8^-2)^-3 = 1/8^6
f. (8^3)^2 = 8^9
g. (3^4)^5 = 3^20

The three equations that are simplified correctly are:

a. -3^0 = 1
b. (8^-4)^0 = 1
e. (8^-2)^-3 = 1/8^6