Question

so sánh 199²⁰ va 2003¹⁵

Answer 1

\(199^{20}< 2003^{15}\)k mk nha bn

Answer 2

199^20 < 200^20 = 200^15.200^5 

2003^15 > 2000^15 = 200^15.10^15 = 200^15.(10^3)^5 = 200^15.1000^5

Do đó, 199^20 < 2003^15