Question

select the value of each exponential number as a fraction

Answer 1

$7^{-2}=\frac{1}{7^2}=\frac{1}{49}$$3^{-4}=\frac{1}{3^4}=\frac{1}{81}$$9^0=1$$11^{-1}=\frac{1}{11^1}=\frac{1}{11}$