Найдите значение степени: 1) (1/3) в 5 степени;2)(3/7)³; 3) (1 2/5)²;4) (3 1/4)²

Question

Найдите значение степени: 1) (1/3) в 5 степени;2)(3/7)³; 3) (1 2/5)²;4) (3 1/4)²

Answer 1

1) (1/3)⁵ = 1/3 · 1/3 ·1/3 ·1/3 ·1/3 = 1/243
2) (3/7)³ = 3/7 · 3/7 · 3/7 = 27/343
3)  (1 2/5)² = (7/5)² = 7/5*7/5*7/5=343/125=2 93/125
4) (3 1/4)² = (13/4)²=13/4*13/4=169/16=10 9/16