12⁻³ = (4 x 3)⁻³ = (2² x 3)⁻³ = 2²ˣ⁻³ x 3⁻³ = 2⁻⁶ x 3⁻³
15¹⁴ = (3 x 5)¹⁴ = 3¹⁴ x 5¹⁴
(10⁻⁸)⁻³ = 10⁻⁸ˣ⁻³ = 10²⁴ = 2²⁴ x 5²⁴
(-3)¹² = 3¹²
A = 2⁹ x 2⁻⁶ x 3⁻³ x 3¹² x 5⁻⁷ / 3¹⁴ x 5¹⁴ x 2²⁴ x 5²⁴
A = 2⁹⁻⁶ x 3⁻²⁺¹² x 5⁻⁷ / 2²⁴ x 3¹⁴ x 5¹⁴⁺²⁴
A = 2³ x 3¹⁰ x 5⁻⁷ / 2²⁴ x 3¹⁴ x 5³⁸
A = 2³⁻²⁴ x 3¹⁰⁻¹⁴ x 5⁻⁷⁻³⁸
A = 2⁻²¹ x 3⁻⁴ x 5⁻⁴⁵
