Write an expression for "the reciprocal of $9^7$97".
Find the value of $q$q which solves the equation $\frac{1}{256}=4^q$1256=4q.
Simplify $4^5\div4^{11}$45÷411, giving your answer in the form $a^n$an.
Simplify $2^4\div2^{-5}$24÷2−5, giving your answer in the form $a^n$an.