416. Найдите значение выражения: a) 5⁶:5⁴; б) 10¹⁵: 10¹²; в) 0,5¹⁰: 0,5⁷; г) (1 1/3)⁸: (1 1/3)²; д) 2,73¹³: 2,73¹²; e) (-2/3)⁷: (-2/3)⁴.

a) 5⁶:5⁴ = 5^(6-4) = 5² = 25 б) 10¹⁵: 10¹² = 10^(15-12) = 10³ = 1000 в) 0,5¹⁰: 0,5⁷ = 0,5^(10-7) = 0,5³ = 0,125 г) (1 1/3)⁸: (1 1/3)² = (4/3)⁸: (4/3)² = (4/3)^(8-2) = (4/3)⁶ = (4096/729) д) 2,73¹³: 2,73¹² = 2,73^(13-12) = 2,73¹ = 2,73 e) (-2/3)⁷: (-2/3)⁴ = (-2/3)^(7-4) = (-2/3)³ = -8/27