The given expression is
[tex]2^4c^{-10}[/tex]We have to solve the power of 2.
[tex](2\cdot2\cdot2\cdot2)c^{-10}=16c^{-10}[/tex]Then, we use the property for negative exponents.
[tex]a^{-b}=\frac{1}{a^b}[/tex]This means we have to move the power to the denominator.
[tex]\frac{16^{}}{c^{10}}[/tex]