Answer:
4⁻¹⁷
Step-by-step explanation:
let the box be represented by x
4⁻⁹ = 4⁸ * X
divide both sides by 4⁸
X = 4⁻⁹/4⁸
since the base is the same i.e the 4, you simplify the powers
Note: for division you subtract, for multiplication you add
X = 4⁽⁻⁹⁾⁻⁽⁸⁾
X = 4⁻⁹⁻⁸
X = 4⁻¹⁷
