Question

So sanh 99²⁰ va 9999¹⁰

Answer 1

\(99^{20}=99^{2.10}=\left(99^2\right)^{10}=9801^{10}\)

Vì \(9801< 9999\)

Nên \(9801^{10}< 9999^{10}\)

Vậy \(99^{20}< 9999^{10}\)

Answer 2

\(99^{20}=99^{2.10}=\left(99^2\right)^{10}=9801^{10}\)

Vì \(9801< 9999\)

Nên \(9801^{10}< 9999^{10}\)

Vậy \(99^{20}< 9999^{10}\)