Помогите плиз
а) 4^-14.4^12;
Б)6^-9:6^-7;
в) (4^-1)^2;
г)3^-2+3^-2

а) 4⁻¹⁴ * 4¹² = 4⁽⁻¹⁴⁺¹²⁾ = 4⁻² = 1/16;б)6⁻⁹ : 6⁻⁷ = 6⁽⁻⁹⁻⁽⁻⁷⁾⁾ = 6⁽⁻⁹⁺⁷⁾ = 6⁻² = 1/36;в) (4⁻¹)² = 4⁻² = 1/16;г)3⁻² + 3⁻² = 2 * 3⁻² = 2 * 1/9 = 2/9