Question

4^4 • 4^-9

Answer 1

Recall the property for exponents, the same base multiplied you add the exponents
\[\large u^a*u^b=u^{a+b}\]

\[\large 4^4*4^{-9}=4^{4-9}=4^{-5} = \frac{ 1 }{ 4^5 }\]