Question

(10.10^3.10^-9)^9) ?

Answer 1

(10.10³.10⁻⁹)⁹=(10¹⁺³⁻⁹)⁹= (10⁴⁻⁹)⁹=(10⁻⁵)⁹=10⁻⁵·⁹=10⁻⁴⁵