Question

Вычислите 3^-4*9^-1 /
27^-2

Answer 1

3⁻⁴=1/81
9⁻¹=1/9
27⁻²=1/54

(1/81)·(1/9)/(1/729)=729/(81·9)=729/729=1


или

9⁻¹=3⁻²
3⁻⁴·3⁻²=3⁻⁶
27⁻²=(3³)⁻²=3⁻⁶

3⁻⁶/3⁻⁶=1