Question

Please help! This is confusing

Answer 1

How to get answer:

$\mathrm{Apply\:exponent\:rule}:\quad \:a^b\cdot \:a^c=a^{b+c}\\4^{-6}\cdot \:4^3=\:4^{3-6}=\:4^{-3}\\\mathrm{Apply\:exponent\:rule}:\quad \:a^{-b}=\frac{1}{a^b}\\=\frac{1}{4^3}\\=\frac{1}{64}$

Answer 2

1/64,  4 to the -3rd power, and 1/4 to the 3rd power :)