Question

what is 4^3 × 4^-6 .

Answer 1

$Use:\\a^n\cdot a^m=a^{n+m}\\\\a^{-n}=\dfrac{1}{a^n}\\\\4^3\cdot4^{-6}=4^{3+(-6)}=4^{-3}=\dfrac{1}{4^3}=\dfrac{1}{64}$