4⁻³ · 12⁰
Remember, if a power is ever negative, then you have to turn it into a fraction, and if a power is zero, then the whole number turns into 1 :)
4⁻³ turns into 1/4³ due to the fact that the power is negative.
So, our question now looks like this :
1/4³ · 1
Simplify.
1/64 · 1
Simplify.
Our answer is : 1/64
~Hope I helped!~