Question

помомогите пж решить​

Answer 1

а) 7^20/ 7^18=7^2= 49

б) 5^6×5^3/5^8=5

Answer 2

а) (7⁹ × 7¹¹)/7¹⁸ = 7²⁰/7¹⁸ = 7² = 49

б) (5⁶ × 125)/25⁴ = (5⁶ × 5³)/5⁸ = 5⁹/5⁸ = 5¹ = 5